Home / 13,186,972.80-19,780,459.20-8,882,300.70

Finding the Fourth Proportional to 13,186,972.80, 19,780,459.20 and 8,882,300.70

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Solution

The fourth proportional to 13,186,972.80, 19,780,459.20 and 8,882,300.70 is: 13,323,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,972.80 : 19,780,459.20 = 8,882,300.70 : x
  2. Step 2: Convert to fraction form
    13,186,972.80/19,780,459.20 = 8,882,300.70/x
  3. Step 3: Cross multiply
    13,186,972.80x = 19,780,459.20 × 8,882,300.70
  4. Step 4: Simplify right side
    13,186,972.80x = 175,695,986,598,481.41
  5. Step 5: Solve for x
    x = 175,695,986,598,481.41/13,186,972.80
  6. Step 6: Final answer
    x = 13,323,451.05

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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.