Home / 9,821,889.90-14,707,951.65-7,831,233.90

Finding the Fourth Proportional to 9,821,889.90, 14,707,951.65 and 7,831,233.90

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Solution

The fourth proportional to 9,821,889.90, 14,707,951.65 and 7,831,233.90 is: 11,727,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821,889.90 : 14,707,951.65 = 7,831,233.90 : x
  2. Step 2: Convert to fraction form
    9,821,889.90/14,707,951.65 = 7,831,233.90/x
  3. Step 3: Cross multiply
    9,821,889.90x = 14,707,951.65 × 7,831,233.90
  4. Step 4: Simplify right side
    9,821,889.90x = 115,181,409,561,040.94
  5. Step 5: Solve for x
    x = 115,181,409,561,040.94/9,821,889.90
  6. Step 6: Final answer
    x = 11,727,010.86

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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.