Home / 13,746,615.40-20,612,147.10-5,227,229.80

Finding the Fourth Proportional to 13,746,615.40, 20,612,147.10 and 5,227,229.80

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Solution

The fourth proportional to 13,746,615.40, 20,612,147.10 and 5,227,229.80 is: 7,837,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,615.40 : 20,612,147.10 = 5,227,229.80 : x
  2. Step 2: Convert to fraction form
    13,746,615.40/20,612,147.10 = 5,227,229.80/x
  3. Step 3: Cross multiply
    13,746,615.40x = 20,612,147.10 × 5,227,229.80
  4. Step 4: Simplify right side
    13,746,615.40x = 107,744,429,563,103.58
  5. Step 5: Solve for x
    x = 107,744,429,563,103.58/13,746,615.40
  6. Step 6: Final answer
    x = 7,837,887.83

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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.