Home / 27,487,731.80-41,221,100.10-8,312,115.80

Finding the Fourth Proportional to 27,487,731.80, 41,221,100.10 and 8,312,115.80

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Solution

The fourth proportional to 27,487,731.80, 41,221,100.10 and 8,312,115.80 is: 12,464,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487,731.80 : 41,221,100.10 = 8,312,115.80 : x
  2. Step 2: Convert to fraction form
    27,487,731.80/41,221,100.10 = 8,312,115.80/x
  3. Step 3: Cross multiply
    27,487,731.80x = 41,221,100.10 × 8,312,115.80
  4. Step 4: Simplify right side
    27,487,731.80x = 342,634,557,434,591.56
  5. Step 5: Solve for x
    x = 342,634,557,434,591.56/27,487,731.80
  6. Step 6: Final answer
    x = 12,464,999.29

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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.