Home / 12,754,387.11-19,142,635.76-6,693,400.92

Finding the Fourth Proportional to 12,754,387.11, 19,142,635.76 and 6,693,400.92

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Solution

The fourth proportional to 12,754,387.11, 19,142,635.76 and 6,693,400.92 is: 10,045,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,387.11 : 19,142,635.76 = 6,693,400.92 : x
  2. Step 2: Convert to fraction form
    12,754,387.11/19,142,635.76 = 6,693,400.92/x
  3. Step 3: Cross multiply
    12,754,387.11x = 19,142,635.76 × 6,693,400.92
  4. Step 4: Simplify right side
    12,754,387.11x = 128,129,335,773,741.89
  5. Step 5: Solve for x
    x = 128,129,335,773,741.89/12,754,387.11
  6. Step 6: Final answer
    x = 10,045,903.00

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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.