Home / 13,541,595.49-18,687,437.27-7,346,641.88

Finding the Fourth Proportional to 13,541,595.49, 18,687,437.27 and 7,346,641.88

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Solution

The fourth proportional to 13,541,595.49, 18,687,437.27 and 7,346,641.88 is: 10,138,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,595.49 : 18,687,437.27 = 7,346,641.88 : x
  2. Step 2: Convert to fraction form
    13,541,595.49/18,687,437.27 = 7,346,641.88/x
  3. Step 3: Cross multiply
    13,541,595.49x = 18,687,437.27 × 7,346,641.88
  4. Step 4: Simplify right side
    13,541,595.49x = 137,289,909,217,562.38
  5. Step 5: Solve for x
    x = 137,289,909,217,562.38/13,541,595.49
  6. Step 6: Final answer
    x = 10,138,385.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.