Home / 7,432,889.80-11,149,334.70-2,645,984.20

Finding the Fourth Proportional to 7,432,889.80, 11,149,334.70 and 2,645,984.20

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Solution

The fourth proportional to 7,432,889.80, 11,149,334.70 and 2,645,984.20 is: 3,968,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,889.80 : 11,149,334.70 = 2,645,984.20 : x
  2. Step 2: Convert to fraction form
    7,432,889.80/11,149,334.70 = 2,645,984.20/x
  3. Step 3: Cross multiply
    7,432,889.80x = 11,149,334.70 × 2,645,984.20
  4. Step 4: Simplify right side
    7,432,889.80x = 29,500,963,456,711.74
  5. Step 5: Solve for x
    x = 29,500,963,456,711.74/7,432,889.80
  6. Step 6: Final answer
    x = 3,968,976.30

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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.