Home / 20,804,575.15-31,206,959.93-7,341,403.15

Finding the Fourth Proportional to 20,804,575.15, 31,206,959.93 and 7,341,403.15

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Solution

The fourth proportional to 20,804,575.15, 31,206,959.93 and 7,341,403.15 is: 11,012,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,575.15 : 31,206,959.93 = 7,341,403.15 : x
  2. Step 2: Convert to fraction form
    20,804,575.15/31,206,959.93 = 7,341,403.15/x
  3. Step 3: Cross multiply
    20,804,575.15x = 31,206,959.93 × 7,341,403.15
  4. Step 4: Simplify right side
    20,804,575.15x = 229,102,873,932,025.78
  5. Step 5: Solve for x
    x = 229,102,873,932,025.78/20,804,575.15
  6. Step 6: Final answer
    x = 11,012,139.03

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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.