Home / 13,665,162.80-18,857,114.04-7,553,226.80

Finding the Fourth Proportional to 13,665,162.80, 18,857,114.04 and 7,553,226.80

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Solution

The fourth proportional to 13,665,162.80, 18,857,114.04 and 7,553,226.80 is: 10,423,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,162.80 : 18,857,114.04 = 7,553,226.80 : x
  2. Step 2: Convert to fraction form
    13,665,162.80/18,857,114.04 = 7,553,226.80/x
  3. Step 3: Cross multiply
    13,665,162.80x = 18,857,114.04 × 7,553,226.80
  4. Step 4: Simplify right side
    13,665,162.80x = 142,432,059,137,584.25
  5. Step 5: Solve for x
    x = 142,432,059,137,584.25/13,665,162.80
  6. Step 6: Final answer
    x = 10,423,004.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.