Home / 20,736,015.10-31,104,022.65-15,626,664.70

Finding the Fourth Proportional to 20,736,015.10, 31,104,022.65 and 15,626,664.70

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Solution

The fourth proportional to 20,736,015.10, 31,104,022.65 and 15,626,664.70 is: 23,439,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,015.10 : 31,104,022.65 = 15,626,664.70 : x
  2. Step 2: Convert to fraction form
    20,736,015.10/31,104,022.65 = 15,626,664.70/x
  3. Step 3: Cross multiply
    20,736,015.10x = 31,104,022.65 × 15,626,664.70
  4. Step 4: Simplify right side
    20,736,015.10x = 486,052,132,772,755.44
  5. Step 5: Solve for x
    x = 486,052,132,772,755.44/20,736,015.10
  6. Step 6: Final answer
    x = 23,439,997.05

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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.