Home / 13,411,436.55-18,508,178.95-9,498,193.71

Finding the Fourth Proportional to 13,411,436.55, 18,508,178.95 and 9,498,193.71

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Solution

The fourth proportional to 13,411,436.55, 18,508,178.95 and 9,498,193.71 is: 13,107,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,436.55 : 18,508,178.95 = 9,498,193.71 : x
  2. Step 2: Convert to fraction form
    13,411,436.55/18,508,178.95 = 9,498,193.71/x
  3. Step 3: Cross multiply
    13,411,436.55x = 18,508,178.95 × 9,498,193.71
  4. Step 4: Simplify right side
    13,411,436.55x = 175,794,268,862,698.94
  5. Step 5: Solve for x
    x = 175,794,268,862,698.94/13,411,436.55
  6. Step 6: Final answer
    x = 13,107,788.13

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Double scale
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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.