Home / 13,609,886.10-20,414,829.15-12,434,154.90

Finding the Fourth Proportional to 13,609,886.10, 20,414,829.15 and 12,434,154.90

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Solution

The fourth proportional to 13,609,886.10, 20,414,829.15 and 12,434,154.90 is: 18,651,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,886.10 : 20,414,829.15 = 12,434,154.90 : x
  2. Step 2: Convert to fraction form
    13,609,886.10/20,414,829.15 = 12,434,154.90/x
  3. Step 3: Cross multiply
    13,609,886.10x = 20,414,829.15 × 12,434,154.90
  4. Step 4: Simplify right side
    13,609,886.10x = 253,841,147,908,135.31
  5. Step 5: Solve for x
    x = 253,841,147,908,135.31/13,609,886.10
  6. Step 6: Final answer
    x = 18,651,232.35

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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.