Home / 19,990,655.65-27,582,359.79-12,150,031.02

Finding the Fourth Proportional to 19,990,655.65, 27,582,359.79 and 12,150,031.02

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Solution

The fourth proportional to 19,990,655.65, 27,582,359.79 and 12,150,031.02 is: 16,764,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990,655.65 : 27,582,359.79 = 12,150,031.02 : x
  2. Step 2: Convert to fraction form
    19,990,655.65/27,582,359.79 = 12,150,031.02/x
  3. Step 3: Cross multiply
    19,990,655.65x = 27,582,359.79 × 12,150,031.02
  4. Step 4: Simplify right side
    19,990,655.65x = 335,126,526,995,429.44
  5. Step 5: Solve for x
    x = 335,126,526,995,429.44/19,990,655.65
  6. Step 6: Final answer
    x = 16,764,158.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.