Home / 14,149,372.56-19,520,591.04-8,707,416.72

Finding the Fourth Proportional to 14,149,372.56, 19,520,591.04 and 8,707,416.72

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Solution

The fourth proportional to 14,149,372.56, 19,520,591.04 and 8,707,416.72 is: 12,012,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149,372.56 : 19,520,591.04 = 8,707,416.72 : x
  2. Step 2: Convert to fraction form
    14,149,372.56/19,520,591.04 = 8,707,416.72/x
  3. Step 3: Cross multiply
    14,149,372.56x = 19,520,591.04 × 8,707,416.72
  4. Step 4: Simplify right side
    14,149,372.56x = 169,973,920,805,978.19
  5. Step 5: Solve for x
    x = 169,973,920,805,978.19/14,149,372.56
  6. Step 6: Final answer
    x = 12,012,823.90

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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.