Home / 40,480,431.39-60,720,597.86-13,186,679.58

Finding the Fourth Proportional to 40,480,431.39, 60,720,597.86 and 13,186,679.58

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Solution

The fourth proportional to 40,480,431.39, 60,720,597.86 and 13,186,679.58 is: 19,780,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480,431.39 : 60,720,597.86 = 13,186,679.58 : x
  2. Step 2: Convert to fraction form
    40,480,431.39/60,720,597.86 = 13,186,679.58/x
  3. Step 3: Cross multiply
    40,480,431.39x = 60,720,597.86 × 13,186,679.58
  4. Step 4: Simplify right side
    40,480,431.39x = 800,703,067,819,920.25
  5. Step 5: Solve for x
    x = 800,703,067,819,920.25/40,480,431.39
  6. Step 6: Final answer
    x = 19,780,003.33

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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.