Home / 12,183,909.80-18,275,864.70-10,270,722.20

Finding the Fourth Proportional to 12,183,909.80, 18,275,864.70 and 10,270,722.20

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Solution

The fourth proportional to 12,183,909.80, 18,275,864.70 and 10,270,722.20 is: 15,406,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,909.80 : 18,275,864.70 = 10,270,722.20 : x
  2. Step 2: Convert to fraction form
    12,183,909.80/18,275,864.70 = 10,270,722.20/x
  3. Step 3: Cross multiply
    12,183,909.80x = 18,275,864.70 × 10,270,722.20
  4. Step 4: Simplify right side
    12,183,909.80x = 187,706,329,298,486.31
  5. Step 5: Solve for x
    x = 187,706,329,298,486.31/12,183,909.80
  6. Step 6: Final answer
    x = 15,406,083.30

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1.5x scale

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.