Home / 10,861,668.20-16,292,502.30-10,189,821.80

Finding the Fourth Proportional to 10,861,668.20, 16,292,502.30 and 10,189,821.80

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Solution

The fourth proportional to 10,861,668.20, 16,292,502.30 and 10,189,821.80 is: 15,284,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,668.20 : 16,292,502.30 = 10,189,821.80 : x
  2. Step 2: Convert to fraction form
    10,861,668.20/16,292,502.30 = 10,189,821.80/x
  3. Step 3: Cross multiply
    10,861,668.20x = 16,292,502.30 × 10,189,821.80
  4. Step 4: Simplify right side
    10,861,668.20x = 166,017,695,113,090.16
  5. Step 5: Solve for x
    x = 166,017,695,113,090.16/10,861,668.20
  6. Step 6: Final answer
    x = 15,284,732.70

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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.