Home / 9,188,456.85-13,782,685.28-7,036,120.80

Finding the Fourth Proportional to 9,188,456.85, 13,782,685.28 and 7,036,120.80

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Solution

The fourth proportional to 9,188,456.85, 13,782,685.28 and 7,036,120.80 is: 10,554,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188,456.85 : 13,782,685.28 = 7,036,120.80 : x
  2. Step 2: Convert to fraction form
    9,188,456.85/13,782,685.28 = 7,036,120.80/x
  3. Step 3: Cross multiply
    9,188,456.85x = 13,782,685.28 × 7,036,120.80
  4. Step 4: Simplify right side
    9,188,456.85x = 96,976,638,543,281.22
  5. Step 5: Solve for x
    x = 96,976,638,543,281.22/9,188,456.85
  6. Step 6: Final answer
    x = 10,554,181.20

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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.