Home / 12,719,343.50-17,551,100.90-8,598,341.13

Finding the Fourth Proportional to 12,719,343.50, 17,551,100.90 and 8,598,341.13

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Solution

The fourth proportional to 12,719,343.50, 17,551,100.90 and 8,598,341.13 is: 11,864,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719,343.50 : 17,551,100.90 = 8,598,341.13 : x
  2. Step 2: Convert to fraction form
    12,719,343.50/17,551,100.90 = 8,598,341.13/x
  3. Step 3: Cross multiply
    12,719,343.50x = 17,551,100.90 × 8,598,341.13
  4. Step 4: Simplify right side
    12,719,343.50x = 150,910,352,700,929.25
  5. Step 5: Solve for x
    x = 150,910,352,700,929.25/12,719,343.50
  6. Step 6: Final answer
    x = 11,864,633.79

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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.