Home / 12,590,103.30-18,889,820.55-4,070,717.70

Finding the Fourth Proportional to 12,590,103.30, 18,889,820.55 and 4,070,717.70

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Solution

The fourth proportional to 12,590,103.30, 18,889,820.55 and 4,070,717.70 is: 6,107,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,103.30 : 18,889,820.55 = 4,070,717.70 : x
  2. Step 2: Convert to fraction form
    12,590,103.30/18,889,820.55 = 4,070,717.70/x
  3. Step 3: Cross multiply
    12,590,103.30x = 18,889,820.55 × 4,070,717.70
  4. Step 4: Simplify right side
    12,590,103.30x = 76,895,126,862,708.73
  5. Step 5: Solve for x
    x = 76,895,126,862,708.73/12,590,103.30
  6. Step 6: Final answer
    x = 6,107,585.06

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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.