Home / 15,020,724.60-20,731,253.88-8,825,770.08

Finding the Fourth Proportional to 15,020,724.60, 20,731,253.88 and 8,825,770.08

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Solution

The fourth proportional to 15,020,724.60, 20,731,253.88 and 8,825,770.08 is: 12,181,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020,724.60 : 20,731,253.88 = 8,825,770.08 : x
  2. Step 2: Convert to fraction form
    15,020,724.60/20,731,253.88 = 8,825,770.08/x
  3. Step 3: Cross multiply
    15,020,724.60x = 20,731,253.88 × 8,825,770.08
  4. Step 4: Simplify right side
    15,020,724.60x = 182,969,280,214,987.91
  5. Step 5: Solve for x
    x = 182,969,280,214,987.91/15,020,724.60
  6. Step 6: Final answer
    x = 12,181,122.09

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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.