Home / 7,086,643.20-10,629,964.80-4,921,804.80

Finding the Fourth Proportional to 7,086,643.20, 10,629,964.80 and 4,921,804.80

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Solution

The fourth proportional to 7,086,643.20, 10,629,964.80 and 4,921,804.80 is: 7,382,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,643.20 : 10,629,964.80 = 4,921,804.80 : x
  2. Step 2: Convert to fraction form
    7,086,643.20/10,629,964.80 = 4,921,804.80/x
  3. Step 3: Cross multiply
    7,086,643.20x = 10,629,964.80 × 4,921,804.80
  4. Step 4: Simplify right side
    7,086,643.20x = 52,318,611,776,471.04
  5. Step 5: Solve for x
    x = 52,318,611,776,471.04/7,086,643.20
  6. Step 6: Final answer
    x = 7,382,707.20

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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.