Home / 18,386,553.15-25,361,292.38-11,499,077.79

Finding the Fourth Proportional to 18,386,553.15, 25,361,292.38 and 11,499,077.79

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Solution

The fourth proportional to 18,386,553.15, 25,361,292.38 and 11,499,077.79 is: 15,861,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,553.15 : 25,361,292.38 = 11,499,077.79 : x
  2. Step 2: Convert to fraction form
    18,386,553.15/25,361,292.38 = 11,499,077.79/x
  3. Step 3: Cross multiply
    18,386,553.15x = 25,361,292.38 × 11,499,077.79
  4. Step 4: Simplify right side
    18,386,553.15x = 291,631,473,875,058.81
  5. Step 5: Solve for x
    x = 291,631,473,875,058.81/18,386,553.15
  6. Step 6: Final answer
    x = 15,861,128.05

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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.