Home / 8,991,028.70-13,486,543.05-7,951,766.30

Finding the Fourth Proportional to 8,991,028.70, 13,486,543.05 and 7,951,766.30

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Solution

The fourth proportional to 8,991,028.70, 13,486,543.05 and 7,951,766.30 is: 11,927,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,028.70 : 13,486,543.05 = 7,951,766.30 : x
  2. Step 2: Convert to fraction form
    8,991,028.70/13,486,543.05 = 7,951,766.30/x
  3. Step 3: Cross multiply
    8,991,028.70x = 13,486,543.05 × 7,951,766.30
  4. Step 4: Simplify right side
    8,991,028.70x = 107,241,838,528,489.22
  5. Step 5: Solve for x
    x = 107,241,838,528,489.22/8,991,028.70
  6. Step 6: Final answer
    x = 11,927,649.45

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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.