Home / 28,080,305.88-42,120,458.81-6,805,169.88

Finding the Fourth Proportional to 28,080,305.88, 42,120,458.81 and 6,805,169.88

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Solution

The fourth proportional to 28,080,305.88, 42,120,458.81 and 6,805,169.88 is: 10,207,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,305.88 : 42,120,458.81 = 6,805,169.88 : x
  2. Step 2: Convert to fraction form
    28,080,305.88/42,120,458.81 = 6,805,169.88/x
  3. Step 3: Cross multiply
    28,080,305.88x = 42,120,458.81 × 6,805,169.88
  4. Step 4: Simplify right side
    28,080,305.88x = 286,636,877,625,592.62
  5. Step 5: Solve for x
    x = 286,636,877,625,592.62/28,080,305.88
  6. Step 6: Final answer
    x = 10,207,754.82

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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.