Home / 7,876,942.12-10,870,028.58-4,439,114.20

Finding the Fourth Proportional to 7,876,942.12, 10,870,028.58 and 4,439,114.20

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Solution

The fourth proportional to 7,876,942.12, 10,870,028.58 and 4,439,114.20 is: 6,125,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,942.12 : 10,870,028.58 = 4,439,114.20 : x
  2. Step 2: Convert to fraction form
    7,876,942.12/10,870,028.58 = 4,439,114.20/x
  3. Step 3: Cross multiply
    7,876,942.12x = 10,870,028.58 × 4,439,114.20
  4. Step 4: Simplify right side
    7,876,942.12x = 48,253,298,223,883.84
  5. Step 5: Solve for x
    x = 48,253,298,223,883.84/7,876,942.12
  6. Step 6: Final answer
    x = 6,125,892.19

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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.