Home / 21,263,338.60-31,873,235.10-10,464,029.80

Finding the Fourth Proportional to 21,263,338.60, 31,873,235.10 and 10,464,029.80

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Solution

The fourth proportional to 21,263,338.60, 31,873,235.10 and 10,464,029.80 is: 15,685,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263,338.60 : 31,873,235.10 = 10,464,029.80 : x
  2. Step 2: Convert to fraction form
    21,263,338.60/31,873,235.10 = 10,464,029.80/x
  3. Step 3: Cross multiply
    21,263,338.60x = 31,873,235.10 × 10,464,029.80
  4. Step 4: Simplify right side
    21,263,338.60x = 333,522,481,908,806
  5. Step 5: Solve for x
    x = 333,522,481,908,806/21,263,338.60
  6. Step 6: Final answer
    x = 15,685,329.96

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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.