Home / 20,706,677.20-31,059,724.20-9,347,107.60

Finding the Fourth Proportional to 20,706,677.20, 31,059,724.20 and 9,347,107.60

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Solution

The fourth proportional to 20,706,677.20, 31,059,724.20 and 9,347,107.60 is: 14,020,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,677.20 : 31,059,724.20 = 9,347,107.60 : x
  2. Step 2: Convert to fraction form
    20,706,677.20/31,059,724.20 = 9,347,107.60/x
  3. Step 3: Cross multiply
    20,706,677.20x = 31,059,724.20 × 9,347,107.60
  4. Step 4: Simplify right side
    20,706,677.20x = 290,318,584,123,723.88
  5. Step 5: Solve for x
    x = 290,318,584,123,723.88/20,706,677.20
  6. Step 6: Final answer
    x = 14,020,529.77

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1.5x scale

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.