Home / 7,138,977.28-9,851,797.20-3,875,795.20

Finding the Fourth Proportional to 7,138,977.28, 9,851,797.20 and 3,875,795.20

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Solution

The fourth proportional to 7,138,977.28, 9,851,797.20 and 3,875,795.20 is: 5,348,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,977.28 : 9,851,797.20 = 3,875,795.20 : x
  2. Step 2: Convert to fraction form
    7,138,977.28/9,851,797.20 = 3,875,795.20/x
  3. Step 3: Cross multiply
    7,138,977.28x = 9,851,797.20 × 3,875,795.20
  4. Step 4: Simplify right side
    7,138,977.28x = 38,183,548,299,133.44
  5. Step 5: Solve for x
    x = 38,183,548,299,133.44/7,138,977.28
  6. Step 6: Final answer
    x = 5,348,602.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.