Home / 8,258,001.60-12,387,002.40-5,388,220.20

Finding the Fourth Proportional to 8,258,001.60, 12,387,002.40 and 5,388,220.20

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Solution

The fourth proportional to 8,258,001.60, 12,387,002.40 and 5,388,220.20 is: 8,082,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,001.60 : 12,387,002.40 = 5,388,220.20 : x
  2. Step 2: Convert to fraction form
    8,258,001.60/12,387,002.40 = 5,388,220.20/x
  3. Step 3: Cross multiply
    8,258,001.60x = 12,387,002.40 × 5,388,220.20
  4. Step 4: Simplify right side
    8,258,001.60x = 66,743,896,549,128.48
  5. Step 5: Solve for x
    x = 66,743,896,549,128.48/8,258,001.60
  6. Step 6: Final answer
    x = 8,082,330.30

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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.