Home / 27,680,038.30-41,520,057.45-7,485,280.30

Finding the Fourth Proportional to 27,680,038.30, 41,520,057.45 and 7,485,280.30

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Solution

The fourth proportional to 27,680,038.30, 41,520,057.45 and 7,485,280.30 is: 11,227,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,038.30 : 41,520,057.45 = 7,485,280.30 : x
  2. Step 2: Convert to fraction form
    27,680,038.30/41,520,057.45 = 7,485,280.30/x
  3. Step 3: Cross multiply
    27,680,038.30x = 41,520,057.45 × 7,485,280.30
  4. Step 4: Simplify right side
    27,680,038.30x = 310,789,268,085,353.25
  5. Step 5: Solve for x
    x = 310,789,268,085,353.25/27,680,038.30
  6. Step 6: Final answer
    x = 11,227,920.45

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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.