Home / 7,128,028.80-10,692,043.20-3,348,892.80

Finding the Fourth Proportional to 7,128,028.80, 10,692,043.20 and 3,348,892.80

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Solution

The fourth proportional to 7,128,028.80, 10,692,043.20 and 3,348,892.80 is: 5,023,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,028.80 : 10,692,043.20 = 3,348,892.80 : x
  2. Step 2: Convert to fraction form
    7,128,028.80/10,692,043.20 = 3,348,892.80/x
  3. Step 3: Cross multiply
    7,128,028.80x = 10,692,043.20 × 3,348,892.80
  4. Step 4: Simplify right side
    7,128,028.80x = 35,806,506,489,768.95
  5. Step 5: Solve for x
    x = 35,806,506,489,768.95/7,128,028.80
  6. Step 6: Final answer
    x = 5,023,339.20

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Similar ratio
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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.