Home / 10,660,228.20-15,966,722.70-8,770,660.20

Finding the Fourth Proportional to 10,660,228.20, 15,966,722.70 and 8,770,660.20

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Solution

The fourth proportional to 10,660,228.20, 15,966,722.70 and 8,770,660.20 is: 13,136,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660,228.20 : 15,966,722.70 = 8,770,660.20 : x
  2. Step 2: Convert to fraction form
    10,660,228.20/15,966,722.70 = 8,770,660.20/x
  3. Step 3: Cross multiply
    10,660,228.20x = 15,966,722.70 × 8,770,660.20
  4. Step 4: Simplify right side
    10,660,228.20x = 140,038,699,309,326.52
  5. Step 5: Solve for x
    x = 140,038,699,309,326.52/10,660,228.20
  6. Step 6: Final answer
    x = 13,136,557.37

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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.