Home / 20,809,419.10-31,193,133.45-9,458,014.30

Finding the Fourth Proportional to 20,809,419.10, 31,193,133.45 and 9,458,014.30

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Solution

The fourth proportional to 20,809,419.10, 31,193,133.45 and 9,458,014.30 is: 14,177,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,419.10 : 31,193,133.45 = 9,458,014.30 : x
  2. Step 2: Convert to fraction form
    20,809,419.10/31,193,133.45 = 9,458,014.30/x
  3. Step 3: Cross multiply
    20,809,419.10x = 31,193,133.45 × 9,458,014.30
  4. Step 4: Simplify right side
    20,809,419.10x = 295,025,102,231,908.38
  5. Step 5: Solve for x
    x = 295,025,102,231,908.38/20,809,419.10
  6. Step 6: Final answer
    x = 14,177,479.00

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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.