Home / 14,028,512.85-21,042,769.28-13,608,608.85

Finding the Fourth Proportional to 14,028,512.85, 21,042,769.28 and 13,608,608.85

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Solution

The fourth proportional to 14,028,512.85, 21,042,769.28 and 13,608,608.85 is: 20,412,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028,512.85 : 21,042,769.28 = 13,608,608.85 : x
  2. Step 2: Convert to fraction form
    14,028,512.85/21,042,769.28 = 13,608,608.85/x
  3. Step 3: Cross multiply
    14,028,512.85x = 21,042,769.28 × 13,608,608.85
  4. Step 4: Simplify right side
    14,028,512.85x = 286,362,816,184,273.06
  5. Step 5: Solve for x
    x = 286,362,816,184,273.06/14,028,512.85
  6. Step 6: Final answer
    x = 20,412,913.28

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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.