Home / 11,235,087.12-15,515,128.22-10,623,007.78

Finding the Fourth Proportional to 11,235,087.12, 15,515,128.22 and 10,623,007.78

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Solution

The fourth proportional to 11,235,087.12, 15,515,128.22 and 10,623,007.78 is: 14,669,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235,087.12 : 15,515,128.22 = 10,623,007.78 : x
  2. Step 2: Convert to fraction form
    11,235,087.12/15,515,128.22 = 10,623,007.78/x
  3. Step 3: Cross multiply
    11,235,087.12x = 15,515,128.22 × 10,623,007.78
  4. Step 4: Simplify right side
    11,235,087.12x = 164,817,327,788,757.56
  5. Step 5: Solve for x
    x = 164,817,327,788,757.56/11,235,087.12
  6. Step 6: Final answer
    x = 14,669,875.37

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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.