Home / 28,037,930.36-42,056,557.24-7,286,530.05

Finding the Fourth Proportional to 28,037,930.36, 42,056,557.24 and 7,286,530.05

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Solution

The fourth proportional to 28,037,930.36, 42,056,557.24 and 7,286,530.05 is: 10,929,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037,930.36 : 42,056,557.24 = 7,286,530.05 : x
  2. Step 2: Convert to fraction form
    28,037,930.36/42,056,557.24 = 7,286,530.05/x
  3. Step 3: Cross multiply
    28,037,930.36x = 42,056,557.24 × 7,286,530.05
  4. Step 4: Simplify right side
    28,037,930.36x = 306,446,368,215,730.12
  5. Step 5: Solve for x
    x = 306,446,368,215,730.12/28,037,930.36
  6. Step 6: Final answer
    x = 10,929,707.16

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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.