Home / 39,878,399.04-59,817,607.08-12,587,448.12

Finding the Fourth Proportional to 39,878,399.04, 59,817,607.08 and 12,587,448.12

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Solution

The fourth proportional to 39,878,399.04, 59,817,607.08 and 12,587,448.12 is: 18,881,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878,399.04 : 59,817,607.08 = 12,587,448.12 : x
  2. Step 2: Convert to fraction form
    39,878,399.04/59,817,607.08 = 12,587,448.12/x
  3. Step 3: Cross multiply
    39,878,399.04x = 59,817,607.08 × 12,587,448.12
  4. Step 4: Simplify right side
    39,878,399.04x = 752,951,025,782,044.62
  5. Step 5: Solve for x
    x = 752,951,025,782,044.62/39,878,399.04
  6. Step 6: Final answer
    x = 18,881,174.87

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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.