Home / 19,938,249.75-29,912,691.06-7,158,865.17

Finding the Fourth Proportional to 19,938,249.75, 29,912,691.06 and 7,158,865.17

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Solution

The fourth proportional to 19,938,249.75, 29,912,691.06 and 7,158,865.17 is: 10,740,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,249.75 : 29,912,691.06 = 7,158,865.17 : x
  2. Step 2: Convert to fraction form
    19,938,249.75/29,912,691.06 = 7,158,865.17/x
  3. Step 3: Cross multiply
    19,938,249.75x = 29,912,691.06 × 7,158,865.17
  4. Step 4: Simplify right side
    19,938,249.75x = 214,140,922,170,404.38
  5. Step 5: Solve for x
    x = 214,140,922,170,404.38/19,938,249.75
  6. Step 6: Final answer
    x = 10,740,206.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.