Home / 12,513,782.09-18,748,597.19-10,959,433.80

Finding the Fourth Proportional to 12,513,782.09, 18,748,597.19 and 10,959,433.80

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Solution

The fourth proportional to 12,513,782.09, 18,748,597.19 and 10,959,433.80 is: 16,419,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,782.09 : 18,748,597.19 = 10,959,433.80 : x
  2. Step 2: Convert to fraction form
    12,513,782.09/18,748,597.19 = 10,959,433.80/x
  3. Step 3: Cross multiply
    12,513,782.09x = 18,748,597.19 × 10,959,433.80
  4. Step 4: Simplify right side
    12,513,782.09x = 205,474,009,757,845.41
  5. Step 5: Solve for x
    x = 205,474,009,757,845.41/12,513,782.09
  6. Step 6: Final answer
    x = 16,419,816.83

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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.