Home / 45,665,400.79-68,491,458.15-13,308,615.50

Finding the Fourth Proportional to 45,665,400.79, 68,491,458.15 and 13,308,615.50

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Solution

The fourth proportional to 45,665,400.79, 68,491,458.15 and 13,308,615.50 is: 19,960,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665,400.79 : 68,491,458.15 = 13,308,615.50 : x
  2. Step 2: Convert to fraction form
    45,665,400.79/68,491,458.15 = 13,308,615.50/x
  3. Step 3: Cross multiply
    45,665,400.79x = 68,491,458.15 × 13,308,615.50
  4. Step 4: Simplify right side
    45,665,400.79x = 911,526,481,552,691.38
  5. Step 5: Solve for x
    x = 911,526,481,552,691.38/45,665,400.79
  6. Step 6: Final answer
    x = 19,960,987.22

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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.