Home / 22,181,408.07-30,610,437-12,123,110.16

Finding the Fourth Proportional to 22,181,408.07, 30,610,437 and 12,123,110.16

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Solution

The fourth proportional to 22,181,408.07, 30,610,437 and 12,123,110.16 is: 16,729,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181,408.07 : 30,610,437 = 12,123,110.16 : x
  2. Step 2: Convert to fraction form
    22,181,408.07/30,610,437 = 12,123,110.16/x
  3. Step 3: Cross multiply
    22,181,408.07x = 30,610,437 × 12,123,110.16
  4. Step 4: Simplify right side
    22,181,408.07x = 371,093,699,796,739.94
  5. Step 5: Solve for x
    x = 371,093,699,796,739.94/22,181,408.07
  6. Step 6: Final answer
    x = 16,729,943.32

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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.