Home / 42,670,219.45-63,998,116.12-11,957,735.56

Finding the Fourth Proportional to 42,670,219.45, 63,998,116.12 and 11,957,735.56

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Solution

The fourth proportional to 42,670,219.45, 63,998,116.12 and 11,957,735.56 is: 17,934,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,219.45 : 63,998,116.12 = 11,957,735.56 : x
  2. Step 2: Convert to fraction form
    42,670,219.45/63,998,116.12 = 11,957,735.56/x
  3. Step 3: Cross multiply
    42,670,219.45x = 63,998,116.12 × 11,957,735.56
  4. Step 4: Simplify right side
    42,670,219.45x = 765,272,548,901,133.25
  5. Step 5: Solve for x
    x = 765,272,548,901,133.25/42,670,219.45
  6. Step 6: Final answer
    x = 17,934,581.98

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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.