Home / 28,037,957.11-42,056,597.25-7,286,557.05

Finding the Fourth Proportional to 28,037,957.11, 42,056,597.25 and 7,286,557.05

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Solution

The fourth proportional to 28,037,957.11, 42,056,597.25 and 7,286,557.05 is: 10,929,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037,957.11 : 42,056,597.25 = 7,286,557.05 : x
  2. Step 2: Convert to fraction form
    28,037,957.11/42,056,597.25 = 7,286,557.05/x
  3. Step 3: Cross multiply
    28,037,957.11x = 42,056,597.25 × 7,286,557.05
  4. Step 4: Simplify right side
    28,037,957.11x = 306,447,795,190,998.12
  5. Step 5: Solve for x
    x = 306,447,795,190,998.12/28,037,957.11
  6. Step 6: Final answer
    x = 10,929,747.63

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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.