Home / 21,250,417.20-31,822,481.70-16,998,889.20

Finding the Fourth Proportional to 21,250,417.20, 31,822,481.70 and 16,998,889.20

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Solution

The fourth proportional to 21,250,417.20, 31,822,481.70 and 16,998,889.20 is: 25,455,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,417.20 : 31,822,481.70 = 16,998,889.20 : x
  2. Step 2: Convert to fraction form
    21,250,417.20/31,822,481.70 = 16,998,889.20/x
  3. Step 3: Cross multiply
    21,250,417.20x = 31,822,481.70 × 16,998,889.20
  4. Step 4: Simplify right side
    21,250,417.20x = 540,946,840,487,327.62
  5. Step 5: Solve for x
    x = 540,946,840,487,327.62/21,250,417.20
  6. Step 6: Final answer
    x = 25,455,822.13

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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.