Home / 25,769,707.88-38,654,561.84-7,818,811.88

Finding the Fourth Proportional to 25,769,707.88, 38,654,561.84 and 7,818,811.88

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Solution

The fourth proportional to 25,769,707.88, 38,654,561.84 and 7,818,811.88 is: 11,728,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769,707.88 : 38,654,561.84 = 7,818,811.88 : x
  2. Step 2: Convert to fraction form
    25,769,707.88/38,654,561.84 = 7,818,811.88/x
  3. Step 3: Cross multiply
    25,769,707.88x = 38,654,561.84 × 7,818,811.88
  4. Step 4: Simplify right side
    25,769,707.88x = 302,232,747,098,419.81
  5. Step 5: Solve for x
    x = 302,232,747,098,419.81/25,769,707.88
  6. Step 6: Final answer
    x = 11,728,217.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.