Home / 7,689,268.80-10,611,002.88-4,251,421.44

Finding the Fourth Proportional to 7,689,268.80, 10,611,002.88 and 4,251,421.44

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Solution

The fourth proportional to 7,689,268.80, 10,611,002.88 and 4,251,421.44 is: 5,866,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,268.80 : 10,611,002.88 = 4,251,421.44 : x
  2. Step 2: Convert to fraction form
    7,689,268.80/10,611,002.88 = 4,251,421.44/x
  3. Step 3: Cross multiply
    7,689,268.80x = 10,611,002.88 × 4,251,421.44
  4. Step 4: Simplify right side
    7,689,268.80x = 45,111,845,143,933.76
  5. Step 5: Solve for x
    x = 45,111,845,143,933.76/7,689,268.80
  6. Step 6: Final answer
    x = 5,866,857.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.