Home / 7,538,833.24-10,409,872.95-6,991,781.92

Finding the Fourth Proportional to 7,538,833.24, 10,409,872.95 and 6,991,781.92

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Solution

The fourth proportional to 7,538,833.24, 10,409,872.95 and 6,991,781.92 is: 9,654,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538,833.24 : 10,409,872.95 = 6,991,781.92 : x
  2. Step 2: Convert to fraction form
    7,538,833.24/10,409,872.95 = 6,991,781.92/x
  3. Step 3: Cross multiply
    7,538,833.24x = 10,409,872.95 × 6,991,781.92
  4. Step 4: Simplify right side
    7,538,833.24x = 72,783,561,481,307.06
  5. Step 5: Solve for x
    x = 72,783,561,481,307.06/7,538,833.24
  6. Step 6: Final answer
    x = 9,654,486.20

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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.