Home / 13,260,013.80-19,904,766.30-8,217,018.60

Finding the Fourth Proportional to 13,260,013.80, 19,904,766.30 and 8,217,018.60

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Solution

The fourth proportional to 13,260,013.80, 19,904,766.30 and 8,217,018.60 is: 12,334,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,013.80 : 19,904,766.30 = 8,217,018.60 : x
  2. Step 2: Convert to fraction form
    13,260,013.80/19,904,766.30 = 8,217,018.60/x
  3. Step 3: Cross multiply
    13,260,013.80x = 19,904,766.30 × 8,217,018.60
  4. Step 4: Simplify right side
    13,260,013.80x = 163,557,834,915,753.19
  5. Step 5: Solve for x
    x = 163,557,834,915,753.19/13,260,013.80
  6. Step 6: Final answer
    x = 12,334,665.51

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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.