Home / 8,470,400.48-12,707,972.40-3,425,253.92

Finding the Fourth Proportional to 8,470,400.48, 12,707,972.40 and 3,425,253.92

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Solution

The fourth proportional to 8,470,400.48, 12,707,972.40 and 3,425,253.92 is: 5,138,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,400.48 : 12,707,972.40 = 3,425,253.92 : x
  2. Step 2: Convert to fraction form
    8,470,400.48/12,707,972.40 = 3,425,253.92/x
  3. Step 3: Cross multiply
    8,470,400.48x = 12,707,972.40 × 3,425,253.92
  4. Step 4: Simplify right side
    8,470,400.48x = 43,528,032,278,351.80
  5. Step 5: Solve for x
    x = 43,528,032,278,351.80/8,470,400.48
  6. Step 6: Final answer
    x = 5,138,839.94

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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.