Home / 11,687,407.20-17,531,110.80-10,837,101.60

Finding the Fourth Proportional to 11,687,407.20, 17,531,110.80 and 10,837,101.60

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Solution

The fourth proportional to 11,687,407.20, 17,531,110.80 and 10,837,101.60 is: 16,255,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,407.20 : 17,531,110.80 = 10,837,101.60 : x
  2. Step 2: Convert to fraction form
    11,687,407.20/17,531,110.80 = 10,837,101.60/x
  3. Step 3: Cross multiply
    11,687,407.20x = 17,531,110.80 × 10,837,101.60
  4. Step 4: Simplify right side
    11,687,407.20x = 189,986,428,900,457.28
  5. Step 5: Solve for x
    x = 189,986,428,900,457.28/11,687,407.20
  6. Step 6: Final answer
    x = 16,255,652.40

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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.