Home / 22,128,029.87-33,173,112.06-8,490,962.21

Finding the Fourth Proportional to 22,128,029.87, 33,173,112.06 and 8,490,962.21

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Solution

The fourth proportional to 22,128,029.87, 33,173,112.06 and 8,490,962.21 is: 12,729,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,029.87 : 33,173,112.06 = 8,490,962.21 : x
  2. Step 2: Convert to fraction form
    22,128,029.87/33,173,112.06 = 8,490,962.21/x
  3. Step 3: Cross multiply
    22,128,029.87x = 33,173,112.06 × 8,490,962.21
  4. Step 4: Simplify right side
    22,128,029.87x = 281,671,640,723,689.69
  5. Step 5: Solve for x
    x = 281,671,640,723,689.69/22,128,029.87
  6. Step 6: Final answer
    x = 12,729,178.44

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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.