Home / 13,411,437.68-18,508,180.50-9,498,194.84

Finding the Fourth Proportional to 13,411,437.68, 18,508,180.50 and 9,498,194.84

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Solution

The fourth proportional to 13,411,437.68, 18,508,180.50 and 9,498,194.84 is: 13,107,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,437.68 : 18,508,180.50 = 9,498,194.84 : x
  2. Step 2: Convert to fraction form
    13,411,437.68/18,508,180.50 = 9,498,194.84/x
  3. Step 3: Cross multiply
    13,411,437.68x = 18,508,180.50 × 9,498,194.84
  4. Step 4: Simplify right side
    13,411,437.68x = 175,794,304,430,347.72
  5. Step 5: Solve for x
    x = 175,794,304,430,347.72/13,411,437.68
  6. Step 6: Final answer
    x = 13,107,789.69

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1.5x scale

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.