Home / 18,715,810.19-25,826,895.36-10,454,231.79

Finding the Fourth Proportional to 18,715,810.19, 25,826,895.36 and 10,454,231.79

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Solution

The fourth proportional to 18,715,810.19, 25,826,895.36 and 10,454,231.79 is: 14,426,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,810.19 : 25,826,895.36 = 10,454,231.79 : x
  2. Step 2: Convert to fraction form
    18,715,810.19/25,826,895.36 = 10,454,231.79/x
  3. Step 3: Cross multiply
    18,715,810.19x = 25,826,895.36 × 10,454,231.79
  4. Step 4: Simplify right side
    18,715,810.19x = 270,000,350,509,515.47
  5. Step 5: Solve for x
    x = 270,000,350,509,515.47/18,715,810.19
  6. Step 6: Final answer
    x = 14,426,324.47

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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.