Home / 8,470,442.97-12,700,047.51-3,078,452.79

Finding the Fourth Proportional to 8,470,442.97, 12,700,047.51 and 3,078,452.79

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Solution

The fourth proportional to 8,470,442.97, 12,700,047.51 and 3,078,452.79 is: 4,615,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,442.97 : 12,700,047.51 = 3,078,452.79 : x
  2. Step 2: Convert to fraction form
    8,470,442.97/12,700,047.51 = 3,078,452.79/x
  3. Step 3: Cross multiply
    8,470,442.97x = 12,700,047.51 × 3,078,452.79
  4. Step 4: Simplify right side
    8,470,442.97x = 39,096,496,690,292.05
  5. Step 5: Solve for x
    x = 39,096,496,690,292.05/8,470,442.97
  6. Step 6: Final answer
    x = 4,615,637.79

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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.