Home / 13,571,569.90-20,357,354.85-8,186,301.10

Finding the Fourth Proportional to 13,571,569.90, 20,357,354.85 and 8,186,301.10

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Solution

The fourth proportional to 13,571,569.90, 20,357,354.85 and 8,186,301.10 is: 12,279,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,569.90 : 20,357,354.85 = 8,186,301.10 : x
  2. Step 2: Convert to fraction form
    13,571,569.90/20,357,354.85 = 8,186,301.10/x
  3. Step 3: Cross multiply
    13,571,569.90x = 20,357,354.85 × 8,186,301.10
  4. Step 4: Simplify right side
    13,571,569.90x = 166,651,436,401,645.34
  5. Step 5: Solve for x
    x = 166,651,436,401,645.34/13,571,569.90
  6. Step 6: Final answer
    x = 12,279,451.65

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Similar ratio
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1.5x scale

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.