Home / 8,775,409.80-13,147,368.30-7,515,697.80

Finding the Fourth Proportional to 8,775,409.80, 13,147,368.30 and 7,515,697.80

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Solution

The fourth proportional to 8,775,409.80, 13,147,368.30 and 7,515,697.80 is: 11,260,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,409.80 : 13,147,368.30 = 7,515,697.80 : x
  2. Step 2: Convert to fraction form
    8,775,409.80/13,147,368.30 = 7,515,697.80/x
  3. Step 3: Cross multiply
    8,775,409.80x = 13,147,368.30 × 7,515,697.80
  4. Step 4: Simplify right side
    8,775,409.80x = 98,811,647,008,099.75
  5. Step 5: Solve for x
    x = 98,811,647,008,099.75/8,775,409.80
  6. Step 6: Final answer
    x = 11,260,060.70

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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.