Home / 9,261,386.10-13,892,079.15-2,872,284.30

Finding the Fourth Proportional to 9,261,386.10, 13,892,079.15 and 2,872,284.30

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Solution

The fourth proportional to 9,261,386.10, 13,892,079.15 and 2,872,284.30 is: 4,308,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,386.10 : 13,892,079.15 = 2,872,284.30 : x
  2. Step 2: Convert to fraction form
    9,261,386.10/13,892,079.15 = 2,872,284.30/x
  3. Step 3: Cross multiply
    9,261,386.10x = 13,892,079.15 × 2,872,284.30
  4. Step 4: Simplify right side
    9,261,386.10x = 39,902,000,836,902.34
  5. Step 5: Solve for x
    x = 39,902,000,836,902.34/9,261,386.10
  6. Step 6: Final answer
    x = 4,308,426.45

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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.