Home / 10,986,886.20-16,487,327.70-6,437,926.20

Finding the Fourth Proportional to 10,986,886.20, 16,487,327.70 and 6,437,926.20

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Solution

The fourth proportional to 10,986,886.20, 16,487,327.70 and 6,437,926.20 is: 9,660,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,886.20 : 16,487,327.70 = 6,437,926.20 : x
  2. Step 2: Convert to fraction form
    10,986,886.20/16,487,327.70 = 6,437,926.20/x
  3. Step 3: Cross multiply
    10,986,886.20x = 16,487,327.70 × 6,437,926.20
  4. Step 4: Simplify right side
    10,986,886.20x = 106,144,198,967,815.73
  5. Step 5: Solve for x
    x = 106,144,198,967,815.73/10,986,886.20
  6. Step 6: Final answer
    x = 9,660,990.11

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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.