Home / 19,869,251.55-27,419,814.28-12,028,659.72

Finding the Fourth Proportional to 19,869,251.55, 27,419,814.28 and 12,028,659.72

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Solution

The fourth proportional to 19,869,251.55, 27,419,814.28 and 12,028,659.72 is: 16,599,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869,251.55 : 27,419,814.28 = 12,028,659.72 : x
  2. Step 2: Convert to fraction form
    19,869,251.55/27,419,814.28 = 12,028,659.72/x
  3. Step 3: Cross multiply
    19,869,251.55x = 27,419,814.28 × 12,028,659.72
  4. Step 4: Simplify right side
    19,869,251.55x = 329,823,615,574,752.62
  5. Step 5: Solve for x
    x = 329,823,615,574,752.62/19,869,251.55
  6. Step 6: Final answer
    x = 16,599,700.03

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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.