Home / 13,691,861.10-20,537,791.65-12,852,053.10

Finding the Fourth Proportional to 13,691,861.10, 20,537,791.65 and 12,852,053.10

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Solution

The fourth proportional to 13,691,861.10, 20,537,791.65 and 12,852,053.10 is: 19,278,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,861.10 : 20,537,791.65 = 12,852,053.10 : x
  2. Step 2: Convert to fraction form
    13,691,861.10/20,537,791.65 = 12,852,053.10/x
  3. Step 3: Cross multiply
    13,691,861.10x = 20,537,791.65 × 12,852,053.10
  4. Step 4: Simplify right side
    13,691,861.10x = 263,952,788,842,536.59
  5. Step 5: Solve for x
    x = 263,952,788,842,536.59/13,691,861.10
  6. Step 6: Final answer
    x = 19,278,079.65

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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.