Home / 22,187,982.06-30,618,827.67-12,398,506.68

Finding the Fourth Proportional to 22,187,982.06, 30,618,827.67 and 12,398,506.68

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Solution

The fourth proportional to 22,187,982.06, 30,618,827.67 and 12,398,506.68 is: 17,109,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187,982.06 : 30,618,827.67 = 12,398,506.68 : x
  2. Step 2: Convert to fraction form
    22,187,982.06/30,618,827.67 = 12,398,506.68/x
  3. Step 3: Cross multiply
    22,187,982.06x = 30,618,827.67 × 12,398,506.68
  4. Step 4: Simplify right side
    22,187,982.06x = 379,627,739,414,818.31
  5. Step 5: Solve for x
    x = 379,627,739,414,818.31/22,187,982.06
  6. Step 6: Final answer
    x = 17,109,610.89

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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.