Home / 39,881,660.96-59,822,488.20-12,607,109.84

Finding the Fourth Proportional to 39,881,660.96, 59,822,488.20 and 12,607,109.84

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Solution

The fourth proportional to 39,881,660.96, 59,822,488.20 and 12,607,109.84 is: 18,910,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881,660.96 : 59,822,488.20 = 12,607,109.84 : x
  2. Step 2: Convert to fraction form
    39,881,660.96/59,822,488.20 = 12,607,109.84/x
  3. Step 3: Cross multiply
    39,881,660.96x = 59,822,488.20 × 12,607,109.84
  4. Step 4: Simplify right side
    39,881,660.96x = 754,188,679,639,503.88
  5. Step 5: Solve for x
    x = 754,188,679,639,503.88/39,881,660.96
  6. Step 6: Final answer
    x = 18,910,663.74

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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.