Home / 20,157,355.68-30,236,144.52-5,011,287.24

Finding the Fourth Proportional to 20,157,355.68, 30,236,144.52 and 5,011,287.24

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Solution

The fourth proportional to 20,157,355.68, 30,236,144.52 and 5,011,287.24 is: 7,516,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,355.68 : 30,236,144.52 = 5,011,287.24 : x
  2. Step 2: Convert to fraction form
    20,157,355.68/30,236,144.52 = 5,011,287.24/x
  3. Step 3: Cross multiply
    20,157,355.68x = 30,236,144.52 × 5,011,287.24
  4. Step 4: Simplify right side
    20,157,355.68x = 151,522,005,219,871.94
  5. Step 5: Solve for x
    x = 151,522,005,219,871.94/20,157,355.68
  6. Step 6: Final answer
    x = 7,516,958.46

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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.