Home / 22,101,021.70-30,500,328.80-12,311,463.22

Finding the Fourth Proportional to 22,101,021.70, 30,500,328.80 and 12,311,463.22

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Solution

The fourth proportional to 22,101,021.70, 30,500,328.80 and 12,311,463.22 is: 16,990,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101,021.70 : 30,500,328.80 = 12,311,463.22 : x
  2. Step 2: Convert to fraction form
    22,101,021.70/30,500,328.80 = 12,311,463.22/x
  3. Step 3: Cross multiply
    22,101,021.70x = 30,500,328.80 × 12,311,463.22
  4. Step 4: Simplify right side
    22,101,021.70x = 375,503,676,219,106.75
  5. Step 5: Solve for x
    x = 375,503,676,219,106.75/22,101,021.70
  6. Step 6: Final answer
    x = 16,990,331.09

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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.