Home / 7,642,618.12-10,546,896.71-4,157,976.70

Finding the Fourth Proportional to 7,642,618.12, 10,546,896.71 and 4,157,976.70

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Solution

The fourth proportional to 7,642,618.12, 10,546,896.71 and 4,157,976.70 is: 5,738,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,618.12 : 10,546,896.71 = 4,157,976.70 : x
  2. Step 2: Convert to fraction form
    7,642,618.12/10,546,896.71 = 4,157,976.70/x
  3. Step 3: Cross multiply
    7,642,618.12x = 10,546,896.71 × 4,157,976.70
  4. Step 4: Simplify right side
    7,642,618.12x = 43,853,750,777,486.66
  5. Step 5: Solve for x
    x = 43,853,750,777,486.66/7,642,618.12
  6. Step 6: Final answer
    x = 5,738,053.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.