Home / 8,775,577.80-13,147,620.30-7,515,865.80

Finding the Fourth Proportional to 8,775,577.80, 13,147,620.30 and 7,515,865.80

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Solution

The fourth proportional to 8,775,577.80, 13,147,620.30 and 7,515,865.80 is: 11,260,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,577.80 : 13,147,620.30 = 7,515,865.80 : x
  2. Step 2: Convert to fraction form
    8,775,577.80/13,147,620.30 = 7,515,865.80/x
  3. Step 3: Cross multiply
    8,775,577.80x = 13,147,620.30 × 7,515,865.80
  4. Step 4: Simplify right side
    8,775,577.80x = 98,815,749,764,155.75
  5. Step 5: Solve for x
    x = 98,815,749,764,155.75/8,775,577.80
  6. Step 6: Final answer
    x = 11,260,312.66

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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.