Home / 18,346,782.45-27,520,173.68-9,843,726.45

Finding the Fourth Proportional to 18,346,782.45, 27,520,173.68 and 9,843,726.45

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Solution

The fourth proportional to 18,346,782.45, 27,520,173.68 and 9,843,726.45 is: 14,765,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,782.45 : 27,520,173.68 = 9,843,726.45 : x
  2. Step 2: Convert to fraction form
    18,346,782.45/27,520,173.68 = 9,843,726.45/x
  3. Step 3: Cross multiply
    18,346,782.45x = 27,520,173.68 × 9,843,726.45
  4. Step 4: Simplify right side
    18,346,782.45x = 270,901,061,513,191.19
  5. Step 5: Solve for x
    x = 270,901,061,513,191.19/18,346,782.45
  6. Step 6: Final answer
    x = 14,765,589.68

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Similar ratio
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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.