Home / 11,121,775.20-16,654,669.20-7,314,645.60

Finding the Fourth Proportional to 11,121,775.20, 16,654,669.20 and 7,314,645.60

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Solution

The fourth proportional to 11,121,775.20, 16,654,669.20 and 7,314,645.60 is: 10,953,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,775.20 : 16,654,669.20 = 7,314,645.60 : x
  2. Step 2: Convert to fraction form
    11,121,775.20/16,654,669.20 = 7,314,645.60/x
  3. Step 3: Cross multiply
    11,121,775.20x = 16,654,669.20 × 7,314,645.60
  4. Step 4: Simplify right side
    11,121,775.20x = 121,823,002,783,235.52
  5. Step 5: Solve for x
    x = 121,823,002,783,235.52/11,121,775.20
  6. Step 6: Final answer
    x = 10,953,557.38

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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.