Home / 21,901,989.84-33,000,839.70-18,147,358.32

Finding the Fourth Proportional to 21,901,989.84, 33,000,839.70 and 18,147,358.32

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Solution

The fourth proportional to 21,901,989.84, 33,000,839.70 and 18,147,358.32 is: 27,343,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901,989.84 : 33,000,839.70 = 18,147,358.32 : x
  2. Step 2: Convert to fraction form
    21,901,989.84/33,000,839.70 = 18,147,358.32/x
  3. Step 3: Cross multiply
    21,901,989.84x = 33,000,839.70 × 18,147,358.32
  4. Step 4: Simplify right side
    21,901,989.84x = 598,878,062,896,781.25
  5. Step 5: Solve for x
    x = 598,878,062,896,781.25/21,901,989.84
  6. Step 6: Final answer
    x = 27,343,545.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.