Home / 28,069,423.92-38,731,682.28-15,677,990.46

Finding the Fourth Proportional to 28,069,423.92, 38,731,682.28 and 15,677,990.46

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Solution

The fourth proportional to 28,069,423.92, 38,731,682.28 and 15,677,990.46 is: 21,633,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069,423.92 : 38,731,682.28 = 15,677,990.46 : x
  2. Step 2: Convert to fraction form
    28,069,423.92/38,731,682.28 = 15,677,990.46/x
  3. Step 3: Cross multiply
    28,069,423.92x = 38,731,682.28 × 15,677,990.46
  4. Step 4: Simplify right side
    28,069,423.92x = 607,234,945,285,591.12
  5. Step 5: Solve for x
    x = 607,234,945,285,591.12/28,069,423.92
  6. Step 6: Final answer
    x = 21,633,324.11

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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.