Home / 21,332,458.40-32,073,337.20-20,884,560.80

Finding the Fourth Proportional to 21,332,458.40, 32,073,337.20 and 20,884,560.80

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Solution

The fourth proportional to 21,332,458.40, 32,073,337.20 and 20,884,560.80 is: 31,399,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,458.40 : 32,073,337.20 = 20,884,560.80 : x
  2. Step 2: Convert to fraction form
    21,332,458.40/32,073,337.20 = 20,884,560.80/x
  3. Step 3: Cross multiply
    21,332,458.40x = 32,073,337.20 × 20,884,560.80
  4. Step 4: Simplify right side
    21,332,458.40x = 669,837,560,812,301.75
  5. Step 5: Solve for x
    x = 669,837,560,812,301.75/21,332,458.40
  6. Step 6: Final answer
    x = 31,399,923.45

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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.