Home / 20,548,344.64-28,356,924-12,398,008

Finding the Fourth Proportional to 20,548,344.64, 28,356,924 and 12,398,008

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Solution

The fourth proportional to 20,548,344.64, 28,356,924 and 12,398,008 is: 17,109,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,344.64 : 28,356,924 = 12,398,008 : x
  2. Step 2: Convert to fraction form
    20,548,344.64/28,356,924 = 12,398,008/x
  3. Step 3: Cross multiply
    20,548,344.64x = 28,356,924 × 12,398,008
  4. Step 4: Simplify right side
    20,548,344.64x = 351,569,370,607,392
  5. Step 5: Solve for x
    x = 351,569,370,607,392/20,548,344.64
  6. Step 6: Final answer
    x = 17,109,376.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.