Home / 20,334,764.61-28,061,873.19-11,042,251.68

Finding the Fourth Proportional to 20,334,764.61, 28,061,873.19 and 11,042,251.68

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Solution

The fourth proportional to 20,334,764.61, 28,061,873.19 and 11,042,251.68 is: 15,238,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334,764.61 : 28,061,873.19 = 11,042,251.68 : x
  2. Step 2: Convert to fraction form
    20,334,764.61/28,061,873.19 = 11,042,251.68/x
  3. Step 3: Cross multiply
    20,334,764.61x = 28,061,873.19 × 11,042,251.68
  4. Step 4: Simplify right side
    20,334,764.61x = 309,866,266,210,087
  5. Step 5: Solve for x
    x = 309,866,266,210,087/20,334,764.61
  6. Step 6: Final answer
    x = 15,238,251.93

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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.