Home / 5,395,218.10-8,091,531.15-3,115,813.30

Finding the Fourth Proportional to 5,395,218.10, 8,091,531.15 and 3,115,813.30

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Solution

The fourth proportional to 5,395,218.10, 8,091,531.15 and 3,115,813.30 is: 4,672,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,218.10 : 8,091,531.15 = 3,115,813.30 : x
  2. Step 2: Convert to fraction form
    5,395,218.10/8,091,531.15 = 3,115,813.30/x
  3. Step 3: Cross multiply
    5,395,218.10x = 8,091,531.15 × 3,115,813.30
  4. Step 4: Simplify right side
    5,395,218.10x = 25,211,700,374,534.29
  5. Step 5: Solve for x
    x = 25,211,700,374,534.29/5,395,218.10
  6. Step 6: Final answer
    x = 4,672,971.49

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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.