Home / 20,129,728.60-30,194,592.90-4,983,660.10

Finding the Fourth Proportional to 20,129,728.60, 30,194,592.90 and 4,983,660.10

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Solution

The fourth proportional to 20,129,728.60, 30,194,592.90 and 4,983,660.10 is: 7,475,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,728.60 : 30,194,592.90 = 4,983,660.10 : x
  2. Step 2: Convert to fraction form
    20,129,728.60/30,194,592.90 = 4,983,660.10/x
  3. Step 3: Cross multiply
    20,129,728.60x = 30,194,592.90 × 4,983,660.10
  4. Step 4: Simplify right side
    20,129,728.60x = 150,479,587,871,473.28
  5. Step 5: Solve for x
    x = 150,479,587,871,473.28/20,129,728.60
  6. Step 6: Final answer
    x = 7,475,490.15

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1.5x scale

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.