Home / 11,112,287.40-16,668,431.10-9,907,687.80

Finding the Fourth Proportional to 11,112,287.40, 16,668,431.10 and 9,907,687.80

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Solution

The fourth proportional to 11,112,287.40, 16,668,431.10 and 9,907,687.80 is: 14,861,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,287.40 : 16,668,431.10 = 9,907,687.80 : x
  2. Step 2: Convert to fraction form
    11,112,287.40/16,668,431.10 = 9,907,687.80/x
  3. Step 3: Cross multiply
    11,112,287.40x = 16,668,431.10 × 9,907,687.80
  4. Step 4: Simplify right side
    11,112,287.40x = 165,145,611,454,610.59
  5. Step 5: Solve for x
    x = 165,145,611,454,610.59/11,112,287.40
  6. Step 6: Final answer
    x = 14,861,531.70

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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.