Home / 18,438,867.30-25,444,969.91-10,178,752.28

Finding the Fourth Proportional to 18,438,867.30, 25,444,969.91 and 10,178,752.28

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Solution

The fourth proportional to 18,438,867.30, 25,444,969.91 and 10,178,752.28 is: 14,046,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,867.30 : 25,444,969.91 = 10,178,752.28 : x
  2. Step 2: Convert to fraction form
    18,438,867.30/25,444,969.91 = 10,178,752.28/x
  3. Step 3: Cross multiply
    18,438,867.30x = 25,444,969.91 × 10,178,752.28
  4. Step 4: Simplify right side
    18,438,867.30x = 258,998,045,307,825.31
  5. Step 5: Solve for x
    x = 258,998,045,307,825.31/18,438,867.30
  6. Step 6: Final answer
    x = 14,046,309.95

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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.