Home / 21,093,749.60-31,641,661.20-11,016,053.60

Finding the Fourth Proportional to 21,093,749.60, 31,641,661.20 and 11,016,053.60

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Solution

The fourth proportional to 21,093,749.60, 31,641,661.20 and 11,016,053.60 is: 16,524,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093,749.60 : 31,641,661.20 = 11,016,053.60 : x
  2. Step 2: Convert to fraction form
    21,093,749.60/31,641,661.20 = 11,016,053.60/x
  3. Step 3: Cross multiply
    21,093,749.60x = 31,641,661.20 × 11,016,053.60
  4. Step 4: Simplify right side
    21,093,749.60x = 348,566,235,772,240.31
  5. Step 5: Solve for x
    x = 348,566,235,772,240.31/21,093,749.60
  6. Step 6: Final answer
    x = 16,524,621.86

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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.