Home / 23,985,432-33,099,897.42-12,972,178.62

Finding the Fourth Proportional to 23,985,432, 33,099,897.42 and 12,972,178.62

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Solution

The fourth proportional to 23,985,432, 33,099,897.42 and 12,972,178.62 is: 17,901,607.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985,432 : 33,099,897.42 = 12,972,178.62 : x
  2. Step 2: Convert to fraction form
    23,985,432/33,099,897.42 = 12,972,178.62/x
  3. Step 3: Cross multiply
    23,985,432x = 33,099,897.42 × 12,972,178.62
  4. Step 4: Simplify right side
    23,985,432x = 429,377,781,635,917.19
  5. Step 5: Solve for x
    x = 429,377,781,635,917.19/23,985,432
  6. Step 6: Final answer
    x = 17,901,607.18

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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.