Home / 20,442,585.60-30,652,819.20-8,476,531.20

Finding the Fourth Proportional to 20,442,585.60, 30,652,819.20 and 8,476,531.20

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Solution

The fourth proportional to 20,442,585.60, 30,652,819.20 and 8,476,531.20 is: 12,710,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,585.60 : 30,652,819.20 = 8,476,531.20 : x
  2. Step 2: Convert to fraction form
    20,442,585.60/30,652,819.20 = 8,476,531.20/x
  3. Step 3: Cross multiply
    20,442,585.60x = 30,652,819.20 × 8,476,531.20
  4. Step 4: Simplify right side
    20,442,585.60x = 259,829,578,316,759
  5. Step 5: Solve for x
    x = 259,829,578,316,759/20,442,585.60
  6. Step 6: Final answer
    x = 12,710,211.10

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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.