Home / 29,188,283.86-40,280,013.89-15,957,489.28

Finding the Fourth Proportional to 29,188,283.86, 40,280,013.89 and 15,957,489.28

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Solution

The fourth proportional to 29,188,283.86, 40,280,013.89 and 15,957,489.28 is: 22,021,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188,283.86 : 40,280,013.89 = 15,957,489.28 : x
  2. Step 2: Convert to fraction form
    29,188,283.86/40,280,013.89 = 15,957,489.28/x
  3. Step 3: Cross multiply
    29,188,283.86x = 40,280,013.89 × 15,957,489.28
  4. Step 4: Simplify right side
    29,188,283.86x = 642,767,889,847,926.12
  5. Step 5: Solve for x
    x = 642,767,889,847,926.12/29,188,283.86
  6. Step 6: Final answer
    x = 22,021,434.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.