Home / 27,642,105.90-38,145,845.79-15,252,311.34

Finding the Fourth Proportional to 27,642,105.90, 38,145,845.79 and 15,252,311.34

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Solution

The fourth proportional to 27,642,105.90, 38,145,845.79 and 15,252,311.34 is: 21,048,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,105.90 : 38,145,845.79 = 15,252,311.34 : x
  2. Step 2: Convert to fraction form
    27,642,105.90/38,145,845.79 = 15,252,311.34/x
  3. Step 3: Cross multiply
    27,642,105.90x = 38,145,845.79 × 15,252,311.34
  4. Step 4: Simplify right side
    27,642,105.90x = 581,812,316,316,708.25
  5. Step 5: Solve for x
    x = 581,812,316,316,708.25/27,642,105.90
  6. Step 6: Final answer
    x = 21,048,045.99

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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.