Home / 20,804,566.90-31,206,947.57-7,341,394.90

Finding the Fourth Proportional to 20,804,566.90, 31,206,947.57 and 7,341,394.90

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Solution

The fourth proportional to 20,804,566.90, 31,206,947.57 and 7,341,394.90 is: 11,012,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,804,566.90 : 31,206,947.57 = 7,341,394.90 : x
  2. Step 2: Convert to fraction form
    20,804,566.90/31,206,947.57 = 7,341,394.90/x
  3. Step 3: Cross multiply
    20,804,566.90x = 31,206,947.57 × 7,341,394.90
  4. Step 4: Simplify right side
    20,804,566.90x = 229,102,525,734,965.41
  5. Step 5: Solve for x
    x = 229,102,525,734,965.41/20,804,566.90
  6. Step 6: Final answer
    x = 11,012,126.66

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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.