Home / 21,861,330.40-32,791,995.60-6,716,015.20

Finding the Fourth Proportional to 21,861,330.40, 32,791,995.60 and 6,716,015.20

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Solution

The fourth proportional to 21,861,330.40, 32,791,995.60 and 6,716,015.20 is: 10,074,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861,330.40 : 32,791,995.60 = 6,716,015.20 : x
  2. Step 2: Convert to fraction form
    21,861,330.40/32,791,995.60 = 6,716,015.20/x
  3. Step 3: Cross multiply
    21,861,330.40x = 32,791,995.60 × 6,716,015.20
  4. Step 4: Simplify right side
    21,861,330.40x = 220,231,540,887,933.12
  5. Step 5: Solve for x
    x = 220,231,540,887,933.12/21,861,330.40
  6. Step 6: Final answer
    x = 10,074,022.80

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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.