Home / 21,079,251.76-31,594,473.96-9,695,809.84

Finding the Fourth Proportional to 21,079,251.76, 31,594,473.96 and 9,695,809.84

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Solution

The fourth proportional to 21,079,251.76, 31,594,473.96 and 9,695,809.84 is: 14,532,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,079,251.76 : 31,594,473.96 = 9,695,809.84 : x
  2. Step 2: Convert to fraction form
    21,079,251.76/31,594,473.96 = 9,695,809.84/x
  3. Step 3: Cross multiply
    21,079,251.76x = 31,594,473.96 × 9,695,809.84
  4. Step 4: Simplify right side
    21,079,251.76x = 306,334,011,510,991.75
  5. Step 5: Solve for x
    x = 306,334,011,510,991.75/21,079,251.76
  6. Step 6: Final answer
    x = 14,532,489.82

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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.