Home / 28,430,640.75-39,258,200.19-17,995,066.80

Finding the Fourth Proportional to 28,430,640.75, 39,258,200.19 and 17,995,066.80

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Solution

The fourth proportional to 28,430,640.75, 39,258,200.19 and 17,995,066.80 is: 24,848,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,640.75 : 39,258,200.19 = 17,995,066.80 : x
  2. Step 2: Convert to fraction form
    28,430,640.75/39,258,200.19 = 17,995,066.80/x
  3. Step 3: Cross multiply
    28,430,640.75x = 39,258,200.19 × 17,995,066.80
  4. Step 4: Simplify right side
    28,430,640.75x = 706,453,934,866,822.62
  5. Step 5: Solve for x
    x = 706,453,934,866,822.62/28,430,640.75
  6. Step 6: Final answer
    x = 24,848,329.70

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.