Home / 26,316,078.30-39,474,117.45-12,879,150.30

Finding the Fourth Proportional to 26,316,078.30, 39,474,117.45 and 12,879,150.30

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Solution

The fourth proportional to 26,316,078.30, 39,474,117.45 and 12,879,150.30 is: 19,318,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316,078.30 : 39,474,117.45 = 12,879,150.30 : x
  2. Step 2: Convert to fraction form
    26,316,078.30/39,474,117.45 = 12,879,150.30/x
  3. Step 3: Cross multiply
    26,316,078.30x = 39,474,117.45 × 12,879,150.30
  4. Step 4: Simplify right side
    26,316,078.30x = 508,393,091,598,402.81
  5. Step 5: Solve for x
    x = 508,393,091,598,402.81/26,316,078.30
  6. Step 6: Final answer
    x = 19,318,725.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.