Home / 10,527,777.28-15,796,473.60-5,728,268.80

Finding the Fourth Proportional to 10,527,777.28, 15,796,473.60 and 5,728,268.80

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Solution

The fourth proportional to 10,527,777.28, 15,796,473.60 and 5,728,268.80 is: 8,595,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527,777.28 : 15,796,473.60 = 5,728,268.80 : x
  2. Step 2: Convert to fraction form
    10,527,777.28/15,796,473.60 = 5,728,268.80/x
  3. Step 3: Cross multiply
    10,527,777.28x = 15,796,473.60 × 5,728,268.80
  4. Step 4: Simplify right side
    10,527,777.28x = 90,486,446,872,903.67
  5. Step 5: Solve for x
    x = 90,486,446,872,903.67/10,527,777.28
  6. Step 6: Final answer
    x = 8,595,019.11

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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.