Home / 20,694,970.52-28,559,087.64-11,275,714.64

Finding the Fourth Proportional to 20,694,970.52, 28,559,087.64 and 11,275,714.64

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Solution

The fourth proportional to 20,694,970.52, 28,559,087.64 and 11,275,714.64 is: 15,560,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,970.52 : 28,559,087.64 = 11,275,714.64 : x
  2. Step 2: Convert to fraction form
    20,694,970.52/28,559,087.64 = 11,275,714.64/x
  3. Step 3: Cross multiply
    20,694,970.52x = 28,559,087.64 × 11,275,714.64
  4. Step 4: Simplify right side
    20,694,970.52x = 322,024,122,607,391.06
  5. Step 5: Solve for x
    x = 322,024,122,607,391.06/20,694,970.52
  6. Step 6: Final answer
    x = 15,560,501.63

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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.