Home / 18,208,455.91-25,127,375.89-9,948,340.76

Finding the Fourth Proportional to 18,208,455.91, 25,127,375.89 and 9,948,340.76

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Solution

The fourth proportional to 18,208,455.91, 25,127,375.89 and 9,948,340.76 is: 13,728,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,455.91 : 25,127,375.89 = 9,948,340.76 : x
  2. Step 2: Convert to fraction form
    18,208,455.91/25,127,375.89 = 9,948,340.76/x
  3. Step 3: Cross multiply
    18,208,455.91x = 25,127,375.89 × 9,948,340.76
  4. Step 4: Simplify right side
    18,208,455.91x = 249,975,697,760,485.72
  5. Step 5: Solve for x
    x = 249,975,697,760,485.72/18,208,455.91
  6. Step 6: Final answer
    x = 13,728,550.02

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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.