Home / 10,181,613.60-15,272,420.40-9,789,703.20

Finding the Fourth Proportional to 10,181,613.60, 15,272,420.40 and 9,789,703.20

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Solution

The fourth proportional to 10,181,613.60, 15,272,420.40 and 9,789,703.20 is: 14,684,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181,613.60 : 15,272,420.40 = 9,789,703.20 : x
  2. Step 2: Convert to fraction form
    10,181,613.60/15,272,420.40 = 9,789,703.20/x
  3. Step 3: Cross multiply
    10,181,613.60x = 15,272,420.40 × 9,789,703.20
  4. Step 4: Simplify right side
    10,181,613.60x = 149,512,462,861,625.28
  5. Step 5: Solve for x
    x = 149,512,462,861,625.28/10,181,613.60
  6. Step 6: Final answer
    x = 14,684,554.80

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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.