Home / 8,340,003.60-12,499,507.80-7,395,219.60

Finding the Fourth Proportional to 8,340,003.60, 12,499,507.80 and 7,395,219.60

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Solution

The fourth proportional to 8,340,003.60, 12,499,507.80 and 7,395,219.60 is: 11,083,521.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,003.60 : 12,499,507.80 = 7,395,219.60 : x
  2. Step 2: Convert to fraction form
    8,340,003.60/12,499,507.80 = 7,395,219.60/x
  3. Step 3: Cross multiply
    8,340,003.60x = 12,499,507.80 × 7,395,219.60
  4. Step 4: Simplify right side
    8,340,003.60x = 92,436,605,072,912.88
  5. Step 5: Solve for x
    x = 92,436,605,072,912.88/8,340,003.60
  6. Step 6: Final answer
    x = 11,083,521.00

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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.