Home / 22,628,532.15-31,230,665.24-12,706,528.68

Finding the Fourth Proportional to 22,628,532.15, 31,230,665.24 and 12,706,528.68

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Solution

The fourth proportional to 22,628,532.15, 31,230,665.24 and 12,706,528.68 is: 17,536,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628,532.15 : 31,230,665.24 = 12,706,528.68 : x
  2. Step 2: Convert to fraction form
    22,628,532.15/31,230,665.24 = 12,706,528.68/x
  3. Step 3: Cross multiply
    22,628,532.15x = 31,230,665.24 × 12,706,528.68
  4. Step 4: Simplify right side
    22,628,532.15x = 396,833,343,504,006.44
  5. Step 5: Solve for x
    x = 396,833,343,504,006.44/22,628,532.15
  6. Step 6: Final answer
    x = 17,536,857.49

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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.