Home / 13,073,886.30-19,610,829.45-12,486,020.70

Finding the Fourth Proportional to 13,073,886.30, 19,610,829.45 and 12,486,020.70

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Solution

The fourth proportional to 13,073,886.30, 19,610,829.45 and 12,486,020.70 is: 18,729,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073,886.30 : 19,610,829.45 = 12,486,020.70 : x
  2. Step 2: Convert to fraction form
    13,073,886.30/19,610,829.45 = 12,486,020.70/x
  3. Step 3: Cross multiply
    13,073,886.30x = 19,610,829.45 × 12,486,020.70
  4. Step 4: Simplify right side
    13,073,886.30x = 244,861,222,456,869.59
  5. Step 5: Solve for x
    x = 244,861,222,456,869.59/13,073,886.30
  6. Step 6: Final answer
    x = 18,729,031.05

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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.