Home / 40,546,841.88-55,940,619.30-30,747,077.40

Finding the Fourth Proportional to 40,546,841.88, 55,940,619.30 and 30,747,077.40

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Solution

The fourth proportional to 40,546,841.88, 55,940,619.30 and 30,747,077.40 is: 42,420,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,546,841.88 : 55,940,619.30 = 30,747,077.40 : x
  2. Step 2: Convert to fraction form
    40,546,841.88/55,940,619.30 = 30,747,077.40/x
  3. Step 3: Cross multiply
    40,546,841.88x = 55,940,619.30 × 30,747,077.40
  4. Step 4: Simplify right side
    40,546,841.88x = 1,720,010,551,421,033.75
  5. Step 5: Solve for x
    x = 1,720,010,551,421,033.75/40,546,841.88
  6. Step 6: Final answer
    x = 42,420,333.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.