Home / 18,388,705.12-25,376,412.88-10,658,231.44

Finding the Fourth Proportional to 18,388,705.12, 25,376,412.88 and 10,658,231.44

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Solution

The fourth proportional to 18,388,705.12, 25,376,412.88 and 10,658,231.44 is: 14,708,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,705.12 : 25,376,412.88 = 10,658,231.44 : x
  2. Step 2: Convert to fraction form
    18,388,705.12/25,376,412.88 = 10,658,231.44/x
  3. Step 3: Cross multiply
    18,388,705.12x = 25,376,412.88 × 10,658,231.44
  4. Step 4: Simplify right side
    18,388,705.12x = 270,467,681,592,036.94
  5. Step 5: Solve for x
    x = 270,467,681,592,036.94/18,388,705.12
  6. Step 6: Final answer
    x = 14,708,359.28

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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.