Home / 8,420,899.10-11,620,832.54-4,553,411.04

Finding the Fourth Proportional to 8,420,899.10, 11,620,832.54 and 4,553,411.04

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Solution

The fourth proportional to 8,420,899.10, 11,620,832.54 and 4,553,411.04 is: 6,283,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,899.10 : 11,620,832.54 = 4,553,411.04 : x
  2. Step 2: Convert to fraction form
    8,420,899.10/11,620,832.54 = 4,553,411.04/x
  3. Step 3: Cross multiply
    8,420,899.10x = 11,620,832.54 × 4,553,411.04
  4. Step 4: Simplify right side
    8,420,899.10x = 52,914,427,181,627.23
  5. Step 5: Solve for x
    x = 52,914,427,181,627.23/8,420,899.10
  6. Step 6: Final answer
    x = 6,283,702.79

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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.