Home / 7,020,538.80-10,530,808.20-6,222,721.20

Finding the Fourth Proportional to 7,020,538.80, 10,530,808.20 and 6,222,721.20

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Solution

The fourth proportional to 7,020,538.80, 10,530,808.20 and 6,222,721.20 is: 9,334,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,538.80 : 10,530,808.20 = 6,222,721.20 : x
  2. Step 2: Convert to fraction form
    7,020,538.80/10,530,808.20 = 6,222,721.20/x
  3. Step 3: Cross multiply
    7,020,538.80x = 10,530,808.20 × 6,222,721.20
  4. Step 4: Simplify right side
    7,020,538.80x = 65,530,283,439,273.84
  5. Step 5: Solve for x
    x = 65,530,283,439,273.84/7,020,538.80
  6. Step 6: Final answer
    x = 9,334,081.80

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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.