Home / 7,340,965.60-10,989,675.60-5,456,063.20

Finding the Fourth Proportional to 7,340,965.60, 10,989,675.60 and 5,456,063.20

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Solution

The fourth proportional to 7,340,965.60, 10,989,675.60 and 5,456,063.20 is: 8,167,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,965.60 : 10,989,675.60 = 5,456,063.20 : x
  2. Step 2: Convert to fraction form
    7,340,965.60/10,989,675.60 = 5,456,063.20/x
  3. Step 3: Cross multiply
    7,340,965.60x = 10,989,675.60 × 5,456,063.20
  4. Step 4: Simplify right side
    7,340,965.60x = 59,960,364,621,097.92
  5. Step 5: Solve for x
    x = 59,960,364,621,097.92/7,340,965.60
  6. Step 6: Final answer
    x = 8,167,912.49

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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.