Home / 7,242,805.70-10,864,208.55-2,194,116.20

Finding the Fourth Proportional to 7,242,805.70, 10,864,208.55 and 2,194,116.20

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Solution

The fourth proportional to 7,242,805.70, 10,864,208.55 and 2,194,116.20 is: 3,291,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,805.70 : 10,864,208.55 = 2,194,116.20 : x
  2. Step 2: Convert to fraction form
    7,242,805.70/10,864,208.55 = 2,194,116.20/x
  3. Step 3: Cross multiply
    7,242,805.70x = 10,864,208.55 × 2,194,116.20
  4. Step 4: Simplify right side
    7,242,805.70x = 23,837,335,979,733.51
  5. Step 5: Solve for x
    x = 23,837,335,979,733.51/7,242,805.70
  6. Step 6: Final answer
    x = 3,291,174.30

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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.