Home / 27,642,108.40-38,145,849.24-15,252,313.84

Finding the Fourth Proportional to 27,642,108.40, 38,145,849.24 and 15,252,313.84

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Solution

The fourth proportional to 27,642,108.40, 38,145,849.24 and 15,252,313.84 is: 21,048,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,108.40 : 38,145,849.24 = 15,252,313.84 : x
  2. Step 2: Convert to fraction form
    27,642,108.40/38,145,849.24 = 15,252,313.84/x
  3. Step 3: Cross multiply
    27,642,108.40x = 38,145,849.24 × 15,252,313.84
  4. Step 4: Simplify right side
    27,642,108.40x = 581,812,464,301,805.50
  5. Step 5: Solve for x
    x = 581,812,464,301,805.50/27,642,108.40
  6. Step 6: Final answer
    x = 21,048,049.44

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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.