Home / 38,640,987.83-57,967,220.57-12,728,502.86

Finding the Fourth Proportional to 38,640,987.83, 57,967,220.57 and 12,728,502.86

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Solution

The fourth proportional to 38,640,987.83, 57,967,220.57 and 12,728,502.86 is: 19,094,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640,987.83 : 57,967,220.57 = 12,728,502.86 : x
  2. Step 2: Convert to fraction form
    38,640,987.83/57,967,220.57 = 12,728,502.86/x
  3. Step 3: Cross multiply
    38,640,987.83x = 57,967,220.57 × 12,728,502.86
  4. Step 4: Simplify right side
    38,640,987.83x = 737,835,932,458,017.25
  5. Step 5: Solve for x
    x = 737,835,932,458,017.25/38,640,987.83
  6. Step 6: Final answer
    x = 19,094,644.67

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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.