Home / 7,170,515.12-10,755,743.52-2,910,647.36

Finding the Fourth Proportional to 7,170,515.12, 10,755,743.52 and 2,910,647.36

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Solution

The fourth proportional to 7,170,515.12, 10,755,743.52 and 2,910,647.36 is: 4,365,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,515.12 : 10,755,743.52 = 2,910,647.36 : x
  2. Step 2: Convert to fraction form
    7,170,515.12/10,755,743.52 = 2,910,647.36/x
  3. Step 3: Cross multiply
    7,170,515.12x = 10,755,743.52 × 2,910,647.36
  4. Step 4: Simplify right side
    7,170,515.12x = 31,306,176,481,325.11
  5. Step 5: Solve for x
    x = 31,306,176,481,325.11/7,170,515.12
  6. Step 6: Final answer
    x = 4,365,959.20

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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.