Home / 22,187,982.81-30,618,828.70-12,398,507.44

Finding the Fourth Proportional to 22,187,982.81, 30,618,828.70 and 12,398,507.44

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Solution

The fourth proportional to 22,187,982.81, 30,618,828.70 and 12,398,507.44 is: 17,109,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187,982.81 : 30,618,828.70 = 12,398,507.44 : x
  2. Step 2: Convert to fraction form
    22,187,982.81/30,618,828.70 = 12,398,507.44/x
  3. Step 3: Cross multiply
    22,187,982.81x = 30,618,828.70 × 12,398,507.44
  4. Step 4: Simplify right side
    22,187,982.81x = 379,627,775,287,941.38
  5. Step 5: Solve for x
    x = 379,627,775,287,941.38/22,187,982.81
  6. Step 6: Final answer
    x = 17,109,611.93

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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.