Home / 13,284,583.20-19,926,874.80-8,497,677.60

Finding the Fourth Proportional to 13,284,583.20, 19,926,874.80 and 8,497,677.60

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Solution

The fourth proportional to 13,284,583.20, 19,926,874.80 and 8,497,677.60 is: 12,746,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,583.20 : 19,926,874.80 = 8,497,677.60 : x
  2. Step 2: Convert to fraction form
    13,284,583.20/19,926,874.80 = 8,497,677.60/x
  3. Step 3: Cross multiply
    13,284,583.20x = 19,926,874.80 × 8,497,677.60
  4. Step 4: Simplify right side
    13,284,583.20x = 169,332,157,625,964.47
  5. Step 5: Solve for x
    x = 169,332,157,625,964.47/13,284,583.20
  6. Step 6: Final answer
    x = 12,746,516.40

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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.