Home / 10,582,802.20-15,850,583.70-8,178,851.80

Finding the Fourth Proportional to 10,582,802.20, 15,850,583.70 and 8,178,851.80

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Solution

The fourth proportional to 10,582,802.20, 15,850,583.70 and 8,178,851.80 is: 12,250,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582,802.20 : 15,850,583.70 = 8,178,851.80 : x
  2. Step 2: Convert to fraction form
    10,582,802.20/15,850,583.70 = 8,178,851.80/x
  3. Step 3: Cross multiply
    10,582,802.20x = 15,850,583.70 × 8,178,851.80
  4. Step 4: Simplify right side
    10,582,802.20x = 129,639,575,025,795.66
  5. Step 5: Solve for x
    x = 129,639,575,025,795.66/10,582,802.20
  6. Step 6: Final answer
    x = 12,250,023.44

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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.