Home / 40,399,399.78-60,607,620.89-13,103,572.66

Finding the Fourth Proportional to 40,399,399.78, 60,607,620.89 and 13,103,572.66

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Solution

The fourth proportional to 40,399,399.78, 60,607,620.89 and 13,103,572.66 is: 19,658,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399,399.78 : 60,607,620.89 = 13,103,572.66 : x
  2. Step 2: Convert to fraction form
    40,399,399.78/60,607,620.89 = 13,103,572.66/x
  3. Step 3: Cross multiply
    40,399,399.78x = 60,607,620.89 × 13,103,572.66
  4. Step 4: Simplify right side
    40,399,399.78x = 794,176,364,081,848.88
  5. Step 5: Solve for x
    x = 794,176,364,081,848.88/40,399,399.78
  6. Step 6: Final answer
    x = 19,658,122.85

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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.