Home / 8,991,015.20-13,486,522.80-7,951,752.80

Finding the Fourth Proportional to 8,991,015.20, 13,486,522.80 and 7,951,752.80

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Solution

The fourth proportional to 8,991,015.20, 13,486,522.80 and 7,951,752.80 is: 11,927,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,015.20 : 13,486,522.80 = 7,951,752.80 : x
  2. Step 2: Convert to fraction form
    8,991,015.20/13,486,522.80 = 7,951,752.80/x
  3. Step 3: Cross multiply
    8,991,015.20x = 13,486,522.80 × 7,951,752.80
  4. Step 4: Simplify right side
    8,991,015.20x = 107,241,495,437,163.84
  5. Step 5: Solve for x
    x = 107,241,495,437,163.84/8,991,015.20
  6. Step 6: Final answer
    x = 11,927,629.20

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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.