Home / 18,660,400.38-25,745,645.88-10,818,347.36

Finding the Fourth Proportional to 18,660,400.38, 25,745,645.88 and 10,818,347.36

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Solution

The fourth proportional to 18,660,400.38, 25,745,645.88 and 10,818,347.36 is: 14,926,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660,400.38 : 25,745,645.88 = 10,818,347.36 : x
  2. Step 2: Convert to fraction form
    18,660,400.38/25,745,645.88 = 10,818,347.36/x
  3. Step 3: Cross multiply
    18,660,400.38x = 25,745,645.88 × 10,818,347.36
  4. Step 4: Simplify right side
    18,660,400.38x = 278,525,340,008,664.66
  5. Step 5: Solve for x
    x = 278,525,340,008,664.66/18,660,400.38
  6. Step 6: Final answer
    x = 14,926,010.93

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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.