Home / 27,871,586.28-38,462,789.04-15,648,705.72

Finding the Fourth Proportional to 27,871,586.28, 38,462,789.04 and 15,648,705.72

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Solution

The fourth proportional to 27,871,586.28, 38,462,789.04 and 15,648,705.72 is: 21,595,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,586.28 : 38,462,789.04 = 15,648,705.72 : x
  2. Step 2: Convert to fraction form
    27,871,586.28/38,462,789.04 = 15,648,705.72/x
  3. Step 3: Cross multiply
    27,871,586.28x = 38,462,789.04 × 15,648,705.72
  4. Step 4: Simplify right side
    27,871,586.28x = 601,892,866,857,401.38
  5. Step 5: Solve for x
    x = 601,892,866,857,401.38/27,871,586.28
  6. Step 6: Final answer
    x = 21,595,213.88

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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.