Home / 20,403,959.10-30,535,079.85-14,026,667.10

Finding the Fourth Proportional to 20,403,959.10, 30,535,079.85 and 14,026,667.10

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Solution

The fourth proportional to 20,403,959.10, 30,535,079.85 and 14,026,667.10 is: 20,991,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,959.10 : 30,535,079.85 = 14,026,667.10 : x
  2. Step 2: Convert to fraction form
    20,403,959.10/30,535,079.85 = 14,026,667.10/x
  3. Step 3: Cross multiply
    20,403,959.10x = 30,535,079.85 × 14,026,667.10
  4. Step 4: Simplify right side
    20,403,959.10x = 428,305,399,927,867.94
  5. Step 5: Solve for x
    x = 428,305,399,927,867.94/20,403,959.10
  6. Step 6: Final answer
    x = 20,991,288.89

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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.