Home / 10,890,750.40-16,336,125.60-7,083,620.80

Finding the Fourth Proportional to 10,890,750.40, 16,336,125.60 and 7,083,620.80

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Solution

The fourth proportional to 10,890,750.40, 16,336,125.60 and 7,083,620.80 is: 10,625,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,750.40 : 16,336,125.60 = 7,083,620.80 : x
  2. Step 2: Convert to fraction form
    10,890,750.40/16,336,125.60 = 7,083,620.80/x
  3. Step 3: Cross multiply
    10,890,750.40x = 16,336,125.60 × 7,083,620.80
  4. Step 4: Simplify right side
    10,890,750.40x = 115,718,919,091,572.47
  5. Step 5: Solve for x
    x = 115,718,919,091,572.47/10,890,750.40
  6. Step 6: Final answer
    x = 10,625,431.20

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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.