Home / 20,087,585.75-27,723,432.54-11,828,416.47

Finding the Fourth Proportional to 20,087,585.75, 27,723,432.54 and 11,828,416.47

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Solution

The fourth proportional to 20,087,585.75, 27,723,432.54 and 11,828,416.47 is: 16,324,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,585.75 : 27,723,432.54 = 11,828,416.47 : x
  2. Step 2: Convert to fraction form
    20,087,585.75/27,723,432.54 = 11,828,416.47/x
  3. Step 3: Cross multiply
    20,087,585.75x = 27,723,432.54 × 11,828,416.47
  4. Step 4: Simplify right side
    20,087,585.75x = 327,924,306,061,069.94
  5. Step 5: Solve for x
    x = 327,924,306,061,069.94/20,087,585.75
  6. Step 6: Final answer
    x = 16,324,724.64

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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.