Home / 17,487,029.55-26,230,544.33-12,728,117.55

Finding the Fourth Proportional to 17,487,029.55, 26,230,544.33 and 12,728,117.55

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Solution

The fourth proportional to 17,487,029.55, 26,230,544.33 and 12,728,117.55 is: 19,092,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487,029.55 : 26,230,544.33 = 12,728,117.55 : x
  2. Step 2: Convert to fraction form
    17,487,029.55/26,230,544.33 = 12,728,117.55/x
  3. Step 3: Cross multiply
    17,487,029.55x = 26,230,544.33 × 12,728,117.55
  4. Step 4: Simplify right side
    17,487,029.55x = 333,865,451,569,085.44
  5. Step 5: Solve for x
    x = 333,865,451,569,085.44/17,487,029.55
  6. Step 6: Final answer
    x = 19,092,176.33

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Double scale
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Similar ratio
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1.5x scale

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.