Home / 20,804,573.90-31,206,958.05-7,341,401.90

Finding the Fourth Proportional to 20,804,573.90, 31,206,958.05 and 7,341,401.90

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Solution

The fourth proportional to 20,804,573.90, 31,206,958.05 and 7,341,401.90 is: 11,012,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,573.90 : 31,206,958.05 = 7,341,401.90 : x
  2. Step 2: Convert to fraction form
    20,804,573.90/31,206,958.05 = 7,341,401.90/x
  3. Step 3: Cross multiply
    20,804,573.90x = 31,206,958.05 × 7,341,401.90
  4. Step 4: Simplify right side
    20,804,573.90x = 229,102,821,121,490.31
  5. Step 5: Solve for x
    x = 229,102,821,121,490.31/20,804,573.90
  6. Step 6: Final answer
    x = 11,012,137.15

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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.