Home / 10,078,728.90-15,118,093.35-5,827,200.90

Finding the Fourth Proportional to 10,078,728.90, 15,118,093.35 and 5,827,200.90

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Solution

The fourth proportional to 10,078,728.90, 15,118,093.35 and 5,827,200.90 is: 8,740,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,728.90 : 15,118,093.35 = 5,827,200.90 : x
  2. Step 2: Convert to fraction form
    10,078,728.90/15,118,093.35 = 5,827,200.90/x
  3. Step 3: Cross multiply
    10,078,728.90x = 15,118,093.35 × 5,827,200.90
  4. Step 4: Simplify right side
    10,078,728.90x = 88,096,167,175,404.02
  5. Step 5: Solve for x
    x = 88,096,167,175,404.02/10,078,728.90
  6. Step 6: Final answer
    x = 8,740,801.35

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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.