Home / 21,186,778.26-31,780,462.58-6,040,709.76

Finding the Fourth Proportional to 21,186,778.26, 31,780,462.58 and 6,040,709.76

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Solution

The fourth proportional to 21,186,778.26, 31,780,462.58 and 6,040,709.76 is: 9,061,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,778.26 : 31,780,462.58 = 6,040,709.76 : x
  2. Step 2: Convert to fraction form
    21,186,778.26/31,780,462.58 = 6,040,709.76/x
  3. Step 3: Cross multiply
    21,186,778.26x = 31,780,462.58 × 6,040,709.76
  4. Step 4: Simplify right side
    21,186,778.26x = 191,976,550,484,320.75
  5. Step 5: Solve for x
    x = 191,976,550,484,320.75/21,186,778.26
  6. Step 6: Final answer
    x = 9,061,148.80

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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.