Home / 38,665,115.40-57,995,829.90-13,103,617.80

Finding the Fourth Proportional to 38,665,115.40, 57,995,829.90 and 13,103,617.80

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Solution

The fourth proportional to 38,665,115.40, 57,995,829.90 and 13,103,617.80 is: 19,654,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665,115.40 : 57,995,829.90 = 13,103,617.80 : x
  2. Step 2: Convert to fraction form
    38,665,115.40/57,995,829.90 = 13,103,617.80/x
  3. Step 3: Cross multiply
    38,665,115.40x = 57,995,829.90 × 13,103,617.80
  4. Step 4: Simplify right side
    38,665,115.40x = 759,955,189,003,412.25
  5. Step 5: Solve for x
    x = 759,955,189,003,412.25/38,665,115.40
  6. Step 6: Final answer
    x = 19,654,802.04

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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.