Home / 18,608,447.28-27,912,680.64-7,091,229

Finding the Fourth Proportional to 18,608,447.28, 27,912,680.64 and 7,091,229

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Solution

The fourth proportional to 18,608,447.28, 27,912,680.64 and 7,091,229 is: 10,636,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,447.28 : 27,912,680.64 = 7,091,229 : x
  2. Step 2: Convert to fraction form
    18,608,447.28/27,912,680.64 = 7,091,229/x
  3. Step 3: Cross multiply
    18,608,447.28x = 27,912,680.64 × 7,091,229
  4. Step 4: Simplify right side
    18,608,447.28x = 197,935,210,422,106.56
  5. Step 5: Solve for x
    x = 197,935,210,422,106.56/18,608,447.28
  6. Step 6: Final answer
    x = 10,636,847.20

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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.