Home / 20,809,063.80-31,216,586.04-6,433,252.56

Finding the Fourth Proportional to 20,809,063.80, 31,216,586.04 and 6,433,252.56

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Solution

The fourth proportional to 20,809,063.80, 31,216,586.04 and 6,433,252.56 is: 9,650,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,063.80 : 31,216,586.04 = 6,433,252.56 : x
  2. Step 2: Convert to fraction form
    20,809,063.80/31,216,586.04 = 6,433,252.56/x
  3. Step 3: Cross multiply
    20,809,063.80x = 31,216,586.04 × 6,433,252.56
  4. Step 4: Simplify right side
    20,809,063.80x = 200,824,182,056,290.25
  5. Step 5: Solve for x
    x = 200,824,182,056,290.25/20,809,063.80
  6. Step 6: Final answer
    x = 9,650,803.32

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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.