Home / 10,368,086.43-15,552,129.64-9,108,374.43

Finding the Fourth Proportional to 10,368,086.43, 15,552,129.64 and 9,108,374.43

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Solution

The fourth proportional to 10,368,086.43, 15,552,129.64 and 9,108,374.43 is: 13,662,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,086.43 : 15,552,129.64 = 9,108,374.43 : x
  2. Step 2: Convert to fraction form
    10,368,086.43/15,552,129.64 = 9,108,374.43/x
  3. Step 3: Cross multiply
    10,368,086.43x = 15,552,129.64 × 9,108,374.43
  4. Step 4: Simplify right side
    10,368,086.43x = 141,654,619,945,021.09
  5. Step 5: Solve for x
    x = 141,654,619,945,021.09/10,368,086.43
  6. Step 6: Final answer
    x = 13,662,561.64

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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.