Home / 8,238,519.40-12,357,779.10-5,544,135.40

Finding the Fourth Proportional to 8,238,519.40, 12,357,779.10 and 5,544,135.40

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Solution

The fourth proportional to 8,238,519.40, 12,357,779.10 and 5,544,135.40 is: 8,316,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,519.40 : 12,357,779.10 = 5,544,135.40 : x
  2. Step 2: Convert to fraction form
    8,238,519.40/12,357,779.10 = 5,544,135.40/x
  3. Step 3: Cross multiply
    8,238,519.40x = 12,357,779.10 × 5,544,135.40
  4. Step 4: Simplify right side
    8,238,519.40x = 68,513,200,573,690.14
  5. Step 5: Solve for x
    x = 68,513,200,573,690.14/8,238,519.40
  6. Step 6: Final answer
    x = 8,316,203.10

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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.