Home / 22,169,540.30-30,608,361.28-19,842,402.81

Finding the Fourth Proportional to 22,169,540.30, 30,608,361.28 and 19,842,402.81

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Solution

The fourth proportional to 22,169,540.30, 30,608,361.28 and 19,842,402.81 is: 27,395,400.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169,540.30 : 30,608,361.28 = 19,842,402.81 : x
  2. Step 2: Convert to fraction form
    22,169,540.30/30,608,361.28 = 19,842,402.81/x
  3. Step 3: Cross multiply
    22,169,540.30x = 30,608,361.28 × 19,842,402.81
  4. Step 4: Simplify right side
    22,169,540.30x = 607,343,433,772,555.12
  5. Step 5: Solve for x
    x = 607,343,433,772,555.12/22,169,540.30
  6. Step 6: Final answer
    x = 27,395,400.43

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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.