Home / 20,809,064.80-31,216,587.54-6,433,253.56

Finding the Fourth Proportional to 20,809,064.80, 31,216,587.54 and 6,433,253.56

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Solution

The fourth proportional to 20,809,064.80, 31,216,587.54 and 6,433,253.56 is: 9,650,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,064.80 : 31,216,587.54 = 6,433,253.56 : x
  2. Step 2: Convert to fraction form
    20,809,064.80/31,216,587.54 = 6,433,253.56/x
  3. Step 3: Cross multiply
    20,809,064.80x = 31,216,587.54 × 6,433,253.56
  4. Step 4: Simplify right side
    20,809,064.80x = 200,824,222,922,756.62
  5. Step 5: Solve for x
    x = 200,824,222,922,756.62/20,809,064.80
  6. Step 6: Final answer
    x = 9,650,804.82

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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.