Home / 18,242,890.74-25,175,191.73-9,982,954.98

Finding the Fourth Proportional to 18,242,890.74, 25,175,191.73 and 9,982,954.98

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Solution

The fourth proportional to 18,242,890.74, 25,175,191.73 and 9,982,954.98 is: 13,776,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,890.74 : 25,175,191.73 = 9,982,954.98 : x
  2. Step 2: Convert to fraction form
    18,242,890.74/25,175,191.73 = 9,982,954.98/x
  3. Step 3: Cross multiply
    18,242,890.74x = 25,175,191.73 × 9,982,954.98
  4. Step 4: Simplify right side
    18,242,890.74x = 251,322,805,603,543.56
  5. Step 5: Solve for x
    x = 251,322,805,603,543.56/18,242,890.74
  6. Step 6: Final answer
    x = 13,776,479.24

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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.