Home / 12,772,813.16-19,162,270.20-4,253,223.44

Finding the Fourth Proportional to 12,772,813.16, 19,162,270.20 and 4,253,223.44

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Solution

The fourth proportional to 12,772,813.16, 19,162,270.20 and 4,253,223.44 is: 6,380,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772,813.16 : 19,162,270.20 = 4,253,223.44 : x
  2. Step 2: Convert to fraction form
    12,772,813.16/19,162,270.20 = 4,253,223.44/x
  3. Step 3: Cross multiply
    12,772,813.16x = 19,162,270.20 × 4,253,223.44
  4. Step 4: Simplify right side
    12,772,813.16x = 81,501,416,778,253.50
  5. Step 5: Solve for x
    x = 81,501,416,778,253.50/12,772,813.16
  6. Step 6: Final answer
    x = 6,380,850.93

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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.