Home / 13,156,720.17-19,734,856.43-3,934,713.75

Finding the Fourth Proportional to 13,156,720.17, 19,734,856.43 and 3,934,713.75

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Solution

The fourth proportional to 13,156,720.17, 19,734,856.43 and 3,934,713.75 is: 5,902,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,720.17 : 19,734,856.43 = 3,934,713.75 : x
  2. Step 2: Convert to fraction form
    13,156,720.17/19,734,856.43 = 3,934,713.75/x
  3. Step 3: Cross multiply
    13,156,720.17x = 19,734,856.43 × 3,934,713.75
  4. Step 4: Simplify right side
    13,156,720.17x = 77,651,010,929,723.34
  5. Step 5: Solve for x
    x = 77,651,010,929,723.34/13,156,720.17
  6. Step 6: Final answer
    x = 5,902,003.69

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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.