Home / 14,508,148.28-20,020,449.04-7,980,716.30

Finding the Fourth Proportional to 14,508,148.28, 20,020,449.04 and 7,980,716.30

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Solution

The fourth proportional to 14,508,148.28, 20,020,449.04 and 7,980,716.30 is: 11,012,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,148.28 : 20,020,449.04 = 7,980,716.30 : x
  2. Step 2: Convert to fraction form
    14,508,148.28/20,020,449.04 = 7,980,716.30/x
  3. Step 3: Cross multiply
    14,508,148.28x = 20,020,449.04 × 7,980,716.30
  4. Step 4: Simplify right side
    14,508,148.28x = 159,777,523,866,793.31
  5. Step 5: Solve for x
    x = 159,777,523,866,793.31/14,508,148.28
  6. Step 6: Final answer
    x = 11,012,950.85

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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.