Home / 7,290,640.20-10,914,965.10-4,456,288.20

Finding the Fourth Proportional to 7,290,640.20, 10,914,965.10 and 4,456,288.20

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Solution

The fourth proportional to 7,290,640.20, 10,914,965.10 and 4,456,288.20 is: 6,671,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,640.20 : 10,914,965.10 = 4,456,288.20 : x
  2. Step 2: Convert to fraction form
    7,290,640.20/10,914,965.10 = 4,456,288.20/x
  3. Step 3: Cross multiply
    7,290,640.20x = 10,914,965.10 × 4,456,288.20
  4. Step 4: Simplify right side
    7,290,640.20x = 48,640,230,178,541.82
  5. Step 5: Solve for x
    x = 48,640,230,178,541.82/7,290,640.20
  6. Step 6: Final answer
    x = 6,671,599.32

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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.