Home / 10,992,948.40-16,489,422.60-8,158,596.40

Finding the Fourth Proportional to 10,992,948.40, 16,489,422.60 and 8,158,596.40

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Solution

The fourth proportional to 10,992,948.40, 16,489,422.60 and 8,158,596.40 is: 12,237,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,948.40 : 16,489,422.60 = 8,158,596.40 : x
  2. Step 2: Convert to fraction form
    10,992,948.40/16,489,422.60 = 8,158,596.40/x
  3. Step 3: Cross multiply
    10,992,948.40x = 16,489,422.60 × 8,158,596.40
  4. Step 4: Simplify right side
    10,992,948.40x = 134,530,543,862,438.64
  5. Step 5: Solve for x
    x = 134,530,543,862,438.64/10,992,948.40
  6. Step 6: Final answer
    x = 12,237,894.60

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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.