Home / 20,614,153.60-30,925,031.67-6,781,890.76

Finding the Fourth Proportional to 20,614,153.60, 30,925,031.67 and 6,781,890.76

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Solution

The fourth proportional to 20,614,153.60, 30,925,031.67 and 6,781,890.76 is: 10,174,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,153.60 : 30,925,031.67 = 6,781,890.76 : x
  2. Step 2: Convert to fraction form
    20,614,153.60/30,925,031.67 = 6,781,890.76/x
  3. Step 3: Cross multiply
    20,614,153.60x = 30,925,031.67 × 6,781,890.76
  4. Step 4: Simplify right side
    20,614,153.60x = 209,730,186,535,480.38
  5. Step 5: Solve for x
    x = 209,730,186,535,480.38/20,614,153.60
  6. Step 6: Final answer
    x = 10,174,086.73

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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.