Home / 28,394,999.80-42,582,002.10-9,226,382.20

Finding the Fourth Proportional to 28,394,999.80, 42,582,002.10 and 9,226,382.20

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Solution

The fourth proportional to 28,394,999.80, 42,582,002.10 and 9,226,382.20 is: 13,836,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,999.80 : 42,582,002.10 = 9,226,382.20 : x
  2. Step 2: Convert to fraction form
    28,394,999.80/42,582,002.10 = 9,226,382.20/x
  3. Step 3: Cross multiply
    28,394,999.80x = 42,582,002.10 × 9,226,382.20
  4. Step 4: Simplify right side
    28,394,999.80x = 392,877,826,215,802.62
  5. Step 5: Solve for x
    x = 392,877,826,215,802.62/28,394,999.80
  6. Step 6: Final answer
    x = 13,836,162.32

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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.