Home / 12,495,822.36-18,744,145.94-4,298,382.32

Finding the Fourth Proportional to 12,495,822.36, 18,744,145.94 and 4,298,382.32

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Solution

The fourth proportional to 12,495,822.36, 18,744,145.94 and 4,298,382.32 is: 6,447,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495,822.36 : 18,744,145.94 = 4,298,382.32 : x
  2. Step 2: Convert to fraction form
    12,495,822.36/18,744,145.94 = 4,298,382.32/x
  3. Step 3: Cross multiply
    12,495,822.36x = 18,744,145.94 × 4,298,382.32
  4. Step 4: Simplify right side
    12,495,822.36x = 80,569,505,511,995.80
  5. Step 5: Solve for x
    x = 80,569,505,511,995.80/12,495,822.36
  6. Step 6: Final answer
    x = 6,447,715.34

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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.