Home / 8,297,320.80-12,445,059.60-6,798,799.20

Finding the Fourth Proportional to 8,297,320.80, 12,445,059.60 and 6,798,799.20

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Solution

The fourth proportional to 8,297,320.80, 12,445,059.60 and 6,798,799.20 is: 10,197,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297,320.80 : 12,445,059.60 = 6,798,799.20 : x
  2. Step 2: Convert to fraction form
    8,297,320.80/12,445,059.60 = 6,798,799.20/x
  3. Step 3: Cross multiply
    8,297,320.80x = 12,445,059.60 × 6,798,799.20
  4. Step 4: Simplify right side
    8,297,320.80x = 84,611,461,252,432.31
  5. Step 5: Solve for x
    x = 84,611,461,252,432.31/8,297,320.80
  6. Step 6: Final answer
    x = 10,197,443.64

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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.