Home / 9,072,404.40-13,608,606.78-9,009,418.80

Finding the Fourth Proportional to 9,072,404.40, 13,608,606.78 and 9,009,418.80

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Solution

The fourth proportional to 9,072,404.40, 13,608,606.78 and 9,009,418.80 is: 13,514,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,404.40 : 13,608,606.78 = 9,009,418.80 : x
  2. Step 2: Convert to fraction form
    9,072,404.40/13,608,606.78 = 9,009,418.80/x
  3. Step 3: Cross multiply
    9,072,404.40x = 13,608,606.78 × 9,009,418.80
  4. Step 4: Simplify right side
    9,072,404.40x = 122,605,637,765,539.47
  5. Step 5: Solve for x
    x = 122,605,637,765,539.47/9,072,404.40
  6. Step 6: Final answer
    x = 13,514,128.38

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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.