Home / 20,819,952.96-28,732,432.93-11,527,523.20

Finding the Fourth Proportional to 20,819,952.96, 28,732,432.93 and 11,527,523.20

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Solution

The fourth proportional to 20,819,952.96, 28,732,432.93 and 11,527,523.20 is: 15,908,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,952.96 : 28,732,432.93 = 11,527,523.20 : x
  2. Step 2: Convert to fraction form
    20,819,952.96/28,732,432.93 = 11,527,523.20/x
  3. Step 3: Cross multiply
    20,819,952.96x = 28,732,432.93 × 11,527,523.20
  4. Step 4: Simplify right side
    20,819,952.96x = 331,213,787,200,115.69
  5. Step 5: Solve for x
    x = 331,213,787,200,115.69/20,819,952.96
  6. Step 6: Final answer
    x = 15,908,479.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.