Home / 8,470,394.48-12,707,963.40-3,425,247.92

Finding the Fourth Proportional to 8,470,394.48, 12,707,963.40 and 3,425,247.92

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Solution

The fourth proportional to 8,470,394.48, 12,707,963.40 and 3,425,247.92 is: 5,138,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,394.48 : 12,707,963.40 = 3,425,247.92 : x
  2. Step 2: Convert to fraction form
    8,470,394.48/12,707,963.40 = 3,425,247.92/x
  3. Step 3: Cross multiply
    8,470,394.48x = 12,707,963.40 × 3,425,247.92
  4. Step 4: Simplify right side
    8,470,394.48x = 43,527,925,203,286.12
  5. Step 5: Solve for x
    x = 43,527,925,203,286.12/8,470,394.48
  6. Step 6: Final answer
    x = 5,138,830.94

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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.