Home / 22,018,522.80-33,027,784.20-20,955,640.80

Finding the Fourth Proportional to 22,018,522.80, 33,027,784.20 and 20,955,640.80

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Solution

The fourth proportional to 22,018,522.80, 33,027,784.20 and 20,955,640.80 is: 31,433,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018,522.80 : 33,027,784.20 = 20,955,640.80 : x
  2. Step 2: Convert to fraction form
    22,018,522.80/33,027,784.20 = 20,955,640.80/x
  3. Step 3: Cross multiply
    22,018,522.80x = 33,027,784.20 × 20,955,640.80
  4. Step 4: Simplify right side
    22,018,522.80x = 692,118,382,115,115.38
  5. Step 5: Solve for x
    x = 692,118,382,115,115.38/22,018,522.80
  6. Step 6: Final answer
    x = 31,433,461.20

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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.