Home / 8,196,400.80-12,298,100.40-3,934,375.20

Finding the Fourth Proportional to 8,196,400.80, 12,298,100.40 and 3,934,375.20

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Solution

The fourth proportional to 8,196,400.80, 12,298,100.40 and 3,934,375.20 is: 5,903,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,400.80 : 12,298,100.40 = 3,934,375.20 : x
  2. Step 2: Convert to fraction form
    8,196,400.80/12,298,100.40 = 3,934,375.20/x
  3. Step 3: Cross multiply
    8,196,400.80x = 12,298,100.40 × 3,934,375.20
  4. Step 4: Simplify right side
    8,196,400.80x = 48,385,341,220,870.09
  5. Step 5: Solve for x
    x = 48,385,341,220,870.09/8,196,400.80
  6. Step 6: Final answer
    x = 5,903,242.46

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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.