Home / 7,122,470.72-9,829,018.23-3,859,282.92

Finding the Fourth Proportional to 7,122,470.72, 9,829,018.23 and 3,859,282.92

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Solution

The fourth proportional to 7,122,470.72, 9,829,018.23 and 3,859,282.92 is: 5,325,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,470.72 : 9,829,018.23 = 3,859,282.92 : x
  2. Step 2: Convert to fraction form
    7,122,470.72/9,829,018.23 = 3,859,282.92/x
  3. Step 3: Cross multiply
    7,122,470.72x = 9,829,018.23 × 3,859,282.92
  4. Step 4: Simplify right side
    7,122,470.72x = 37,932,962,175,407.63
  5. Step 5: Solve for x
    x = 37,932,962,175,407.63/7,122,470.72
  6. Step 6: Final answer
    x = 5,325,815.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.