Home / 18,086,574.60-27,129,861.90-15,651,131.40

Finding the Fourth Proportional to 18,086,574.60, 27,129,861.90 and 15,651,131.40

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Solution

The fourth proportional to 18,086,574.60, 27,129,861.90 and 15,651,131.40 is: 23,476,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,574.60 : 27,129,861.90 = 15,651,131.40 : x
  2. Step 2: Convert to fraction form
    18,086,574.60/27,129,861.90 = 15,651,131.40/x
  3. Step 3: Cross multiply
    18,086,574.60x = 27,129,861.90 × 15,651,131.40
  4. Step 4: Simplify right side
    18,086,574.60x = 424,613,033,460,753.62
  5. Step 5: Solve for x
    x = 424,613,033,460,753.62/18,086,574.60
  6. Step 6: Final answer
    x = 23,476,697.10

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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.