Home / 21,036,709.56-31,559,793.30-6,660,636.60

Finding the Fourth Proportional to 21,036,709.56, 31,559,793.30 and 6,660,636.60

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Solution

The fourth proportional to 21,036,709.56, 31,559,793.30 and 6,660,636.60 is: 9,992,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036,709.56 : 31,559,793.30 = 6,660,636.60 : x
  2. Step 2: Convert to fraction form
    21,036,709.56/31,559,793.30 = 6,660,636.60/x
  3. Step 3: Cross multiply
    21,036,709.56x = 31,559,793.30 × 6,660,636.60
  4. Step 4: Simplify right side
    21,036,709.56x = 210,208,314,342,414.78
  5. Step 5: Solve for x
    x = 210,208,314,342,414.78/21,036,709.56
  6. Step 6: Final answer
    x = 9,992,452.18

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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.