Home / 7,838,814.82-11,758,217.89-2,447,927.25

Finding the Fourth Proportional to 7,838,814.82, 11,758,217.89 and 2,447,927.25

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Solution

The fourth proportional to 7,838,814.82, 11,758,217.89 and 2,447,927.25 is: 3,671,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,814.82 : 11,758,217.89 = 2,447,927.25 : x
  2. Step 2: Convert to fraction form
    7,838,814.82/11,758,217.89 = 2,447,927.25/x
  3. Step 3: Cross multiply
    7,838,814.82x = 11,758,217.89 × 2,447,927.25
  4. Step 4: Simplify right side
    7,838,814.82x = 28,783,261,972,128.87
  5. Step 5: Solve for x
    x = 28,783,261,972,128.87/7,838,814.82
  6. Step 6: Final answer
    x = 3,671,889.52

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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.