Home / 21,063,190.40-31,594,785.60-17,236,815.20

Finding the Fourth Proportional to 21,063,190.40, 31,594,785.60 and 17,236,815.20

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Solution

The fourth proportional to 21,063,190.40, 31,594,785.60 and 17,236,815.20 is: 25,855,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,190.40 : 31,594,785.60 = 17,236,815.20 : x
  2. Step 2: Convert to fraction form
    21,063,190.40/31,594,785.60 = 17,236,815.20/x
  3. Step 3: Cross multiply
    21,063,190.40x = 31,594,785.60 × 17,236,815.20
  4. Step 4: Simplify right side
    21,063,190.40x = 544,593,480,670,821.12
  5. Step 5: Solve for x
    x = 544,593,480,670,821.12/21,063,190.40
  6. Step 6: Final answer
    x = 25,855,222.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.