Home / 12,575,150.28-18,862,722.99-5,382,019.80

Finding the Fourth Proportional to 12,575,150.28, 18,862,722.99 and 5,382,019.80

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Solution

The fourth proportional to 12,575,150.28, 18,862,722.99 and 5,382,019.80 is: 8,073,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,150.28 : 18,862,722.99 = 5,382,019.80 : x
  2. Step 2: Convert to fraction form
    12,575,150.28/18,862,722.99 = 5,382,019.80/x
  3. Step 3: Cross multiply
    12,575,150.28x = 18,862,722.99 × 5,382,019.80
  4. Step 4: Simplify right side
    12,575,150.28x = 101,519,548,614,095.19
  5. Step 5: Solve for x
    x = 101,519,548,614,095.19/12,575,150.28
  6. Step 6: Final answer
    x = 8,073,028.66

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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.