Home / 12,385,713.36-17,092,285.26-6,879,600.78

Finding the Fourth Proportional to 12,385,713.36, 17,092,285.26 and 6,879,600.78

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Solution

The fourth proportional to 12,385,713.36, 17,092,285.26 and 6,879,600.78 is: 9,493,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,713.36 : 17,092,285.26 = 6,879,600.78 : x
  2. Step 2: Convert to fraction form
    12,385,713.36/17,092,285.26 = 6,879,600.78/x
  3. Step 3: Cross multiply
    12,385,713.36x = 17,092,285.26 × 6,879,600.78
  4. Step 4: Simplify right side
    12,385,713.36x = 117,588,099,006,678.52
  5. Step 5: Solve for x
    x = 117,588,099,006,678.52/12,385,713.36
  6. Step 6: Final answer
    x = 9,493,849.53

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1.5x scale

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.