Home / 8,864,719.80-13,297,079.70-3,185,129.40

Finding the Fourth Proportional to 8,864,719.80, 13,297,079.70 and 3,185,129.40

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Solution

The fourth proportional to 8,864,719.80, 13,297,079.70 and 3,185,129.40 is: 4,777,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864,719.80 : 13,297,079.70 = 3,185,129.40 : x
  2. Step 2: Convert to fraction form
    8,864,719.80/13,297,079.70 = 3,185,129.40/x
  3. Step 3: Cross multiply
    8,864,719.80x = 13,297,079.70 × 3,185,129.40
  4. Step 4: Simplify right side
    8,864,719.80x = 42,352,919,486,613.18
  5. Step 5: Solve for x
    x = 42,352,919,486,613.18/8,864,719.80
  6. Step 6: Final answer
    x = 4,777,694.10

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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.