Home / 20,711,657.40-31,062,502.71-6,334,850.76

Finding the Fourth Proportional to 20,711,657.40, 31,062,502.71 and 6,334,850.76

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Solution

The fourth proportional to 20,711,657.40, 31,062,502.71 and 6,334,850.76 is: 9,500,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,657.40 : 31,062,502.71 = 6,334,850.76 : x
  2. Step 2: Convert to fraction form
    20,711,657.40/31,062,502.71 = 6,334,850.76/x
  3. Step 3: Cross multiply
    20,711,657.40x = 31,062,502.71 × 6,334,850.76
  4. Step 4: Simplify right side
    20,711,657.40x = 196,776,318,899,945.56
  5. Step 5: Solve for x
    x = 196,776,318,899,945.56/20,711,657.40
  6. Step 6: Final answer
    x = 9,500,751.92

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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.