Home / 20,201,280.90-30,301,921.35-5,055,188.10

Finding the Fourth Proportional to 20,201,280.90, 30,301,921.35 and 5,055,188.10

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Solution

The fourth proportional to 20,201,280.90, 30,301,921.35 and 5,055,188.10 is: 7,582,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,280.90 : 30,301,921.35 = 5,055,188.10 : x
  2. Step 2: Convert to fraction form
    20,201,280.90/30,301,921.35 = 5,055,188.10/x
  3. Step 3: Cross multiply
    20,201,280.90x = 30,301,921.35 × 5,055,188.10
  4. Step 4: Simplify right side
    20,201,280.90x = 153,181,912,215,655.94
  5. Step 5: Solve for x
    x = 153,181,912,215,655.94/20,201,280.90
  6. Step 6: Final answer
    x = 7,582,782.15

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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.