Home / 10,986,962.20-16,487,441.70-6,438,002.20

Finding the Fourth Proportional to 10,986,962.20, 16,487,441.70 and 6,438,002.20

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Solution

The fourth proportional to 10,986,962.20, 16,487,441.70 and 6,438,002.20 is: 9,661,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,962.20 : 16,487,441.70 = 6,438,002.20 : x
  2. Step 2: Convert to fraction form
    10,986,962.20/16,487,441.70 = 6,438,002.20/x
  3. Step 3: Cross multiply
    10,986,962.20x = 16,487,441.70 × 6,438,002.20
  4. Step 4: Simplify right side
    10,986,962.20x = 106,146,185,936,971.73
  5. Step 5: Solve for x
    x = 106,146,185,936,971.73/10,986,962.20
  6. Step 6: Final answer
    x = 9,661,104.13

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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.