Home / 42,413,468.32-63,618,934.02-11,709,919.09

Finding the Fourth Proportional to 42,413,468.32, 63,618,934.02 and 11,709,919.09

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Solution

The fourth proportional to 42,413,468.32, 63,618,934.02 and 11,709,919.09 is: 17,564,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413,468.32 : 63,618,934.02 = 11,709,919.09 : x
  2. Step 2: Convert to fraction form
    42,413,468.32/63,618,934.02 = 11,709,919.09/x
  3. Step 3: Cross multiply
    42,413,468.32x = 63,618,934.02 × 11,709,919.09
  4. Step 4: Simplify right side
    42,413,468.32x = 744,972,569,966,248.50
  5. Step 5: Solve for x
    x = 744,972,569,966,248.50/42,413,468.32
  6. Step 6: Final answer
    x = 17,564,528.43

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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.