Home / 8,150,032.05-12,220,619.40-2,755,905.90

Finding the Fourth Proportional to 8,150,032.05, 12,220,619.40 and 2,755,905.90

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Solution

The fourth proportional to 8,150,032.05, 12,220,619.40 and 2,755,905.90 is: 4,132,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,032.05 : 12,220,619.40 = 2,755,905.90 : x
  2. Step 2: Convert to fraction form
    8,150,032.05/12,220,619.40 = 2,755,905.90/x
  3. Step 3: Cross multiply
    8,150,032.05x = 12,220,619.40 × 2,755,905.90
  4. Step 4: Simplify right side
    8,150,032.05x = 33,678,877,106,114.46
  5. Step 5: Solve for x
    x = 33,678,877,106,114.46/8,150,032.05
  6. Step 6: Final answer
    x = 4,132,361.31

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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.