Home / 10,935,006.70-16,402,510.05-7,321,207.90

Finding the Fourth Proportional to 10,935,006.70, 16,402,510.05 and 7,321,207.90

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Solution

The fourth proportional to 10,935,006.70, 16,402,510.05 and 7,321,207.90 is: 10,981,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,006.70 : 16,402,510.05 = 7,321,207.90 : x
  2. Step 2: Convert to fraction form
    10,935,006.70/16,402,510.05 = 7,321,207.90/x
  3. Step 3: Cross multiply
    10,935,006.70x = 16,402,510.05 × 7,321,207.90
  4. Step 4: Simplify right side
    10,935,006.70x = 120,086,186,157,889.41
  5. Step 5: Solve for x
    x = 120,086,186,157,889.41/10,935,006.70
  6. Step 6: Final answer
    x = 10,981,811.85

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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.