Home / 8,019,079.80-12,005,000.10-7,551,936.60

Finding the Fourth Proportional to 8,019,079.80, 12,005,000.10 and 7,551,936.60

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Solution

The fourth proportional to 8,019,079.80, 12,005,000.10 and 7,551,936.60 is: 11,305,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019,079.80 : 12,005,000.10 = 7,551,936.60 : x
  2. Step 2: Convert to fraction form
    8,019,079.80/12,005,000.10 = 7,551,936.60/x
  3. Step 3: Cross multiply
    8,019,079.80x = 12,005,000.10 × 7,551,936.60
  4. Step 4: Simplify right side
    8,019,079.80x = 90,660,999,638,193.66
  5. Step 5: Solve for x
    x = 90,660,999,638,193.66/8,019,079.80
  6. Step 6: Final answer
    x = 11,305,661.24

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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.