Home / 7,881,331.30-11,821,996.95-2,833,152.10

Finding the Fourth Proportional to 7,881,331.30, 11,821,996.95 and 2,833,152.10

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Solution

The fourth proportional to 7,881,331.30, 11,821,996.95 and 2,833,152.10 is: 4,249,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,331.30 : 11,821,996.95 = 2,833,152.10 : x
  2. Step 2: Convert to fraction form
    7,881,331.30/11,821,996.95 = 2,833,152.10/x
  3. Step 3: Cross multiply
    7,881,331.30x = 11,821,996.95 × 2,833,152.10
  4. Step 4: Simplify right side
    7,881,331.30x = 33,493,515,485,086.09
  5. Step 5: Solve for x
    x = 33,493,515,485,086.09/7,881,331.30
  6. Step 6: Final answer
    x = 4,249,728.15

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Double scale
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Similar ratio
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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.