Home / 8,045,999.90-12,068,999.85-7,971,350.30

Finding the Fourth Proportional to 8,045,999.90, 12,068,999.85 and 7,971,350.30

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Solution

The fourth proportional to 8,045,999.90, 12,068,999.85 and 7,971,350.30 is: 11,957,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,999.90 : 12,068,999.85 = 7,971,350.30 : x
  2. Step 2: Convert to fraction form
    8,045,999.90/12,068,999.85 = 7,971,350.30/x
  3. Step 3: Cross multiply
    8,045,999.90x = 12,068,999.85 × 7,971,350.30
  4. Step 4: Simplify right side
    8,045,999.90x = 96,206,225,574,997.45
  5. Step 5: Solve for x
    x = 96,206,225,574,997.45/8,045,999.90
  6. Step 6: Final answer
    x = 11,957,025.45

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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.