Home / 7,875,847.13-11,815,763.60-2,196,071.44

Finding the Fourth Proportional to 7,875,847.13, 11,815,763.60 and 2,196,071.44

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Solution

The fourth proportional to 7,875,847.13, 11,815,763.60 and 2,196,071.44 is: 3,294,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,847.13 : 11,815,763.60 = 2,196,071.44 : x
  2. Step 2: Convert to fraction form
    7,875,847.13/11,815,763.60 = 2,196,071.44/x
  3. Step 3: Cross multiply
    7,875,847.13x = 11,815,763.60 × 2,196,071.44
  4. Step 4: Simplify right side
    7,875,847.13x = 25,948,260,959,702.35
  5. Step 5: Solve for x
    x = 25,948,260,959,702.35/7,875,847.13
  6. Step 6: Final answer
    x = 3,294,662.85

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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.