Home / 20,760,034.10-31,140,051.15-5,613,965.60

Finding the Fourth Proportional to 20,760,034.10, 31,140,051.15 and 5,613,965.60

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Solution

The fourth proportional to 20,760,034.10, 31,140,051.15 and 5,613,965.60 is: 8,420,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,034.10 : 31,140,051.15 = 5,613,965.60 : x
  2. Step 2: Convert to fraction form
    20,760,034.10/31,140,051.15 = 5,613,965.60/x
  3. Step 3: Cross multiply
    20,760,034.10x = 31,140,051.15 × 5,613,965.60
  4. Step 4: Simplify right side
    20,760,034.10x = 174,819,175,938,340.41
  5. Step 5: Solve for x
    x = 174,819,175,938,340.41/20,760,034.10
  6. Step 6: Final answer
    x = 8,420,948.40

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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.