Home / 15,401,695.60-21,247,668.12-9,286,726.96

Finding the Fourth Proportional to 15,401,695.60, 21,247,668.12 and 9,286,726.96

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Solution

The fourth proportional to 15,401,695.60, 21,247,668.12 and 9,286,726.96 is: 12,811,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,695.60 : 21,247,668.12 = 9,286,726.96 : x
  2. Step 2: Convert to fraction form
    15,401,695.60/21,247,668.12 = 9,286,726.96/x
  3. Step 3: Cross multiply
    15,401,695.60x = 21,247,668.12 × 9,286,726.96
  4. Step 4: Simplify right side
    15,401,695.60x = 197,321,292,367,136.53
  5. Step 5: Solve for x
    x = 197,321,292,367,136.53/15,401,695.60
  6. Step 6: Final answer
    x = 12,811,660.32

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1.5x scale

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.