Home / 27,642,105.40-38,145,845.10-15,252,310.84

Finding the Fourth Proportional to 27,642,105.40, 38,145,845.10 and 15,252,310.84

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Solution

The fourth proportional to 27,642,105.40, 38,145,845.10 and 15,252,310.84 is: 21,048,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,105.40 : 38,145,845.10 = 15,252,310.84 : x
  2. Step 2: Convert to fraction form
    27,642,105.40/38,145,845.10 = 15,252,310.84/x
  3. Step 3: Cross multiply
    27,642,105.40x = 38,145,845.10 × 15,252,310.84
  4. Step 4: Simplify right side
    27,642,105.40x = 581,812,286,719,690.88
  5. Step 5: Solve for x
    x = 581,812,286,719,690.88/27,642,105.40
  6. Step 6: Final answer
    x = 21,048,045.30

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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.