Home / 18,388,752.10-25,376,477.79-10,658,278.42

Finding the Fourth Proportional to 18,388,752.10, 25,376,477.79 and 10,658,278.42

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Solution

The fourth proportional to 18,388,752.10, 25,376,477.79 and 10,658,278.42 is: 14,708,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,752.10 : 25,376,477.79 = 10,658,278.42 : x
  2. Step 2: Convert to fraction form
    18,388,752.10/25,376,477.79 = 10,658,278.42/x
  3. Step 3: Cross multiply
    18,388,752.10x = 25,376,477.79 × 10,658,278.42
  4. Step 4: Simplify right side
    18,388,752.10x = 270,469,565,604,766.28
  5. Step 5: Solve for x
    x = 270,469,565,604,766.28/18,388,752.10
  6. Step 6: Final answer
    x = 14,708,424.16

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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.