Home / 40,399,415.76-60,607,644.84-13,103,588.64

Finding the Fourth Proportional to 40,399,415.76, 60,607,644.84 and 13,103,588.64

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Solution

The fourth proportional to 40,399,415.76, 60,607,644.84 and 13,103,588.64 is: 19,658,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399,415.76 : 60,607,644.84 = 13,103,588.64 : x
  2. Step 2: Convert to fraction form
    40,399,415.76/60,607,644.84 = 13,103,588.64/x
  3. Step 3: Cross multiply
    40,399,415.76x = 60,607,644.84 × 13,103,588.64
  4. Step 4: Simplify right side
    40,399,415.76x = 794,177,646,422,578.75
  5. Step 5: Solve for x
    x = 794,177,646,422,578.75/40,399,415.76
  6. Step 6: Final answer
    x = 19,658,146.82

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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.