Home / 10,364,080.05-15,546,120.08-7,972,595.55

Finding the Fourth Proportional to 10,364,080.05, 15,546,120.08 and 7,972,595.55

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Solution

The fourth proportional to 10,364,080.05, 15,546,120.08 and 7,972,595.55 is: 11,958,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,080.05 : 15,546,120.08 = 7,972,595.55 : x
  2. Step 2: Convert to fraction form
    10,364,080.05/15,546,120.08 = 7,972,595.55/x
  3. Step 3: Cross multiply
    10,364,080.05x = 15,546,120.08 × 7,972,595.55
  4. Step 4: Simplify right side
    10,364,080.05x = 123,942,927,729,710.66
  5. Step 5: Solve for x
    x = 123,942,927,729,710.66/10,364,080.05
  6. Step 6: Final answer
    x = 11,958,893.33

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Double scale
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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.