Home / 27,642,104.40-38,145,843.72-15,252,309.84

Finding the Fourth Proportional to 27,642,104.40, 38,145,843.72 and 15,252,309.84

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Solution

The fourth proportional to 27,642,104.40, 38,145,843.72 and 15,252,309.84 is: 21,048,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,104.40 : 38,145,843.72 = 15,252,309.84 : x
  2. Step 2: Convert to fraction form
    27,642,104.40/38,145,843.72 = 15,252,309.84/x
  3. Step 3: Cross multiply
    27,642,104.40x = 38,145,843.72 × 15,252,309.84
  4. Step 4: Simplify right side
    27,642,104.40x = 581,812,227,525,658.12
  5. Step 5: Solve for x
    x = 581,812,227,525,658.12/27,642,104.40
  6. Step 6: Final answer
    x = 21,048,043.92

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1.5x scale

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.