Home / 5,129,615.40-7,694,423.10-4,911,196.20

Finding the Fourth Proportional to 5,129,615.40, 7,694,423.10 and 4,911,196.20

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Solution

The fourth proportional to 5,129,615.40, 7,694,423.10 and 4,911,196.20 is: 7,366,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,615.40 : 7,694,423.10 = 4,911,196.20 : x
  2. Step 2: Convert to fraction form
    5,129,615.40/7,694,423.10 = 4,911,196.20/x
  3. Step 3: Cross multiply
    5,129,615.40x = 7,694,423.10 × 4,911,196.20
  4. Step 4: Simplify right side
    5,129,615.40x = 37,788,821,489,912.22
  5. Step 5: Solve for x
    x = 37,788,821,489,912.22/5,129,615.40
  6. Step 6: Final answer
    x = 7,366,794.30

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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.