Home / 20,477,374.20-30,716,061.30-5,331,305.70

Finding the Fourth Proportional to 20,477,374.20, 30,716,061.30 and 5,331,305.70

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Solution

The fourth proportional to 20,477,374.20, 30,716,061.30 and 5,331,305.70 is: 7,996,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,477,374.20 : 30,716,061.30 = 5,331,305.70 : x
  2. Step 2: Convert to fraction form
    20,477,374.20/30,716,061.30 = 5,331,305.70/x
  3. Step 3: Cross multiply
    20,477,374.20x = 30,716,061.30 × 5,331,305.70
  4. Step 4: Simplify right side
    20,477,374.20x = 163,756,712,690,239.41
  5. Step 5: Solve for x
    x = 163,756,712,690,239.41/20,477,374.20
  6. Step 6: Final answer
    x = 7,996,958.55

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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.