Home / 8,045,993.40-12,068,990.10-7,971,343.80

Finding the Fourth Proportional to 8,045,993.40, 12,068,990.10 and 7,971,343.80

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Solution

The fourth proportional to 8,045,993.40, 12,068,990.10 and 7,971,343.80 is: 11,957,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,993.40 : 12,068,990.10 = 7,971,343.80 : x
  2. Step 2: Convert to fraction form
    8,045,993.40/12,068,990.10 = 7,971,343.80/x
  3. Step 3: Cross multiply
    8,045,993.40x = 12,068,990.10 × 7,971,343.80
  4. Step 4: Simplify right side
    8,045,993.40x = 96,206,069,405,896.38
  5. Step 5: Solve for x
    x = 96,206,069,405,896.38/8,045,993.40
  6. Step 6: Final answer
    x = 11,957,015.70

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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.