Home / 21,863,029-30,170,982.18-12,205,237

Finding the Fourth Proportional to 21,863,029, 30,170,982.18 and 12,205,237

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Solution

The fourth proportional to 21,863,029, 30,170,982.18 and 12,205,237 is: 16,843,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,029 : 30,170,982.18 = 12,205,237 : x
  2. Step 2: Convert to fraction form
    21,863,029/30,170,982.18 = 12,205,237/x
  3. Step 3: Cross multiply
    21,863,029x = 30,170,982.18 × 12,205,237
  4. Step 4: Simplify right side
    21,863,029x = 368,243,988,029,676.69
  5. Step 5: Solve for x
    x = 368,243,988,029,676.69/21,863,029
  6. Step 6: Final answer
    x = 16,843,228.27

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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.