Home / 8,120,849.40-12,167,985.24-4,916,262.60

Finding the Fourth Proportional to 8,120,849.40, 12,167,985.24 and 4,916,262.60

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Solution

The fourth proportional to 8,120,849.40, 12,167,985.24 and 4,916,262.60 is: 7,366,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,849.40 : 12,167,985.24 = 4,916,262.60 : x
  2. Step 2: Convert to fraction form
    8,120,849.40/12,167,985.24 = 4,916,262.60/x
  3. Step 3: Cross multiply
    8,120,849.40x = 12,167,985.24 × 4,916,262.60
  4. Step 4: Simplify right side
    8,120,849.40x = 59,821,010,752,764.02
  5. Step 5: Solve for x
    x = 59,821,010,752,764.02/8,120,849.40
  6. Step 6: Final answer
    x = 7,366,348.99

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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.