Home / 42,564,819.24-63,872,665.02-15,641,196.84

Finding the Fourth Proportional to 42,564,819.24, 63,872,665.02 and 15,641,196.84

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Solution

The fourth proportional to 42,564,819.24, 63,872,665.02 and 15,641,196.84 is: 23,471,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564,819.24 : 63,872,665.02 = 15,641,196.84 : x
  2. Step 2: Convert to fraction form
    42,564,819.24/63,872,665.02 = 15,641,196.84/x
  3. Step 3: Cross multiply
    42,564,819.24x = 63,872,665.02 × 15,641,196.84
  4. Step 4: Simplify right side
    42,564,819.24x = 999,044,926,273,202.62
  5. Step 5: Solve for x
    x = 999,044,926,273,202.62/42,564,819.24
  6. Step 6: Final answer
    x = 23,471,142.23

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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.