Home / 20,572,941.36-30,853,112.40-14,223,992.88

Finding the Fourth Proportional to 20,572,941.36, 30,853,112.40 and 14,223,992.88

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Solution

The fourth proportional to 20,572,941.36, 30,853,112.40 and 14,223,992.88 is: 21,331,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,941.36 : 30,853,112.40 = 14,223,992.88 : x
  2. Step 2: Convert to fraction form
    20,572,941.36/30,853,112.40 = 14,223,992.88/x
  3. Step 3: Cross multiply
    20,572,941.36x = 30,853,112.40 × 14,223,992.88
  4. Step 4: Simplify right side
    20,572,941.36x = 438,854,451,103,439.69
  5. Step 5: Solve for x
    x = 438,854,451,103,439.69/20,572,941.36
  6. Step 6: Final answer
    x = 21,331,633.79

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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.