Home / 13,475,513.20-20,213,269.80-3,891,204.40

Finding the Fourth Proportional to 13,475,513.20, 20,213,269.80 and 3,891,204.40

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Solution

The fourth proportional to 13,475,513.20, 20,213,269.80 and 3,891,204.40 is: 5,836,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,513.20 : 20,213,269.80 = 3,891,204.40 : x
  2. Step 2: Convert to fraction form
    13,475,513.20/20,213,269.80 = 3,891,204.40/x
  3. Step 3: Cross multiply
    13,475,513.20x = 20,213,269.80 × 3,891,204.40
  4. Step 4: Simplify right side
    13,475,513.20x = 78,653,964,384,147.12
  5. Step 5: Solve for x
    x = 78,653,964,384,147.12/13,475,513.20
  6. Step 6: Final answer
    x = 5,836,806.60

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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.