Home / 38,251,220.52-52,785,144.48-20,847,191.16

Finding the Fourth Proportional to 38,251,220.52, 52,785,144.48 and 20,847,191.16

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Solution

The fourth proportional to 38,251,220.52, 52,785,144.48 and 20,847,191.16 is: 28,768,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251,220.52 : 52,785,144.48 = 20,847,191.16 : x
  2. Step 2: Convert to fraction form
    38,251,220.52/52,785,144.48 = 20,847,191.16/x
  3. Step 3: Cross multiply
    38,251,220.52x = 52,785,144.48 × 20,847,191.16
  4. Step 4: Simplify right side
    38,251,220.52x = 1,100,421,997,382,778.75
  5. Step 5: Solve for x
    x = 1,100,421,997,382,778.75/38,251,220.52
  6. Step 6: Final answer
    x = 28,768,284.58

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Double scale
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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.