Home / 8,045,992.40-12,068,988.60-7,971,342.80

Finding the Fourth Proportional to 8,045,992.40, 12,068,988.60 and 7,971,342.80

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Solution

The fourth proportional to 8,045,992.40, 12,068,988.60 and 7,971,342.80 is: 11,957,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,992.40 : 12,068,988.60 = 7,971,342.80 : x
  2. Step 2: Convert to fraction form
    8,045,992.40/12,068,988.60 = 7,971,342.80/x
  3. Step 3: Cross multiply
    8,045,992.40x = 12,068,988.60 × 7,971,342.80
  4. Step 4: Simplify right side
    8,045,992.40x = 96,206,045,379,892.08
  5. Step 5: Solve for x
    x = 96,206,045,379,892.08/8,045,992.40
  6. Step 6: Final answer
    x = 11,957,014.20

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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.