Home / 22,190,809.70-30,620,665.24-12,266,351.76

Finding the Fourth Proportional to 22,190,809.70, 30,620,665.24 and 12,266,351.76

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Solution

The fourth proportional to 22,190,809.70, 30,620,665.24 and 12,266,351.76 is: 16,926,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190,809.70 : 30,620,665.24 = 12,266,351.76 : x
  2. Step 2: Convert to fraction form
    22,190,809.70/30,620,665.24 = 12,266,351.76/x
  3. Step 3: Cross multiply
    22,190,809.70x = 30,620,665.24 × 12,266,351.76
  4. Step 4: Simplify right side
    22,190,809.70x = 375,603,850,959,044.81
  5. Step 5: Solve for x
    x = 375,603,850,959,044.81/22,190,809.70
  6. Step 6: Final answer
    x = 16,926,099.41

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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.