Home / 13,305,028.70-19,957,543.05-9,022,007.90

Finding the Fourth Proportional to 13,305,028.70, 19,957,543.05 and 9,022,007.90

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Solution

The fourth proportional to 13,305,028.70, 19,957,543.05 and 9,022,007.90 is: 13,533,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,028.70 : 19,957,543.05 = 9,022,007.90 : x
  2. Step 2: Convert to fraction form
    13,305,028.70/19,957,543.05 = 9,022,007.90/x
  3. Step 3: Cross multiply
    13,305,028.70x = 19,957,543.05 × 9,022,007.90
  4. Step 4: Simplify right side
    13,305,028.70x = 180,057,111,061,690.09
  5. Step 5: Solve for x
    x = 180,057,111,061,690.09/13,305,028.70
  6. Step 6: Final answer
    x = 13,533,011.85

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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.