Home / 42,687,240.14-64,032,631.66-12,395,103.14

Finding the Fourth Proportional to 42,687,240.14, 64,032,631.66 and 12,395,103.14

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Solution

The fourth proportional to 42,687,240.14, 64,032,631.66 and 12,395,103.14 is: 18,593,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687,240.14 : 64,032,631.66 = 12,395,103.14 : x
  2. Step 2: Convert to fraction form
    42,687,240.14/64,032,631.66 = 12,395,103.14/x
  3. Step 3: Cross multiply
    42,687,240.14x = 64,032,631.66 × 12,395,103.14
  4. Step 4: Simplify right side
    42,687,240.14x = 793,691,073,751,329.38
  5. Step 5: Solve for x
    x = 793,691,073,751,329.38/42,687,240.14
  6. Step 6: Final answer
    x = 18,593,169.09

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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.