Home / 21,783,957.60-32,675,936.40-20,738,863.20

Finding the Fourth Proportional to 21,783,957.60, 32,675,936.40 and 20,738,863.20

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Solution

The fourth proportional to 21,783,957.60, 32,675,936.40 and 20,738,863.20 is: 31,108,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,957.60 : 32,675,936.40 = 20,738,863.20 : x
  2. Step 2: Convert to fraction form
    21,783,957.60/32,675,936.40 = 20,738,863.20/x
  3. Step 3: Cross multiply
    21,783,957.60x = 32,675,936.40 × 20,738,863.20
  4. Step 4: Simplify right side
    21,783,957.60x = 677,661,774,931,500.38
  5. Step 5: Solve for x
    x = 677,661,774,931,500.38/21,783,957.60
  6. Step 6: Final answer
    x = 31,108,294.80

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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.