Home / 18,690,898.38-25,805,115.72-14,331,609.60

Finding the Fourth Proportional to 18,690,898.38, 25,805,115.72 and 14,331,609.60

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Solution

The fourth proportional to 18,690,898.38, 25,805,115.72 and 14,331,609.60 is: 19,786,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,898.38 : 25,805,115.72 = 14,331,609.60 : x
  2. Step 2: Convert to fraction form
    18,690,898.38/25,805,115.72 = 14,331,609.60/x
  3. Step 3: Cross multiply
    18,690,898.38x = 25,805,115.72 × 14,331,609.60
  4. Step 4: Simplify right side
    18,690,898.38x = 369,828,844,181,862.88
  5. Step 5: Solve for x
    x = 369,828,844,181,862.88/18,690,898.38
  6. Step 6: Final answer
    x = 19,786,574.01

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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.