Home / 25,728,134.22-38,555,919-14,218,784.28

Finding the Fourth Proportional to 25,728,134.22, 38,555,919 and 14,218,784.28

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Solution

The fourth proportional to 25,728,134.22, 38,555,919 and 14,218,784.28 is: 21,308,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728,134.22 : 38,555,919 = 14,218,784.28 : x
  2. Step 2: Convert to fraction form
    25,728,134.22/38,555,919 = 14,218,784.28/x
  3. Step 3: Cross multiply
    25,728,134.22x = 38,555,919 × 14,218,784.28
  4. Step 4: Simplify right side
    25,728,134.22x = 548,218,294,978,153.31
  5. Step 5: Solve for x
    x = 548,218,294,978,153.31/25,728,134.22
  6. Step 6: Final answer
    x = 21,308,124.81

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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.