Home / 18,185,185.20-27,277,777.80-13,402,216.20

Finding the Fourth Proportional to 18,185,185.20, 27,277,777.80 and 13,402,216.20

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Solution

The fourth proportional to 18,185,185.20, 27,277,777.80 and 13,402,216.20 is: 20,103,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,185.20 : 27,277,777.80 = 13,402,216.20 : x
  2. Step 2: Convert to fraction form
    18,185,185.20/27,277,777.80 = 13,402,216.20/x
  3. Step 3: Cross multiply
    18,185,185.20x = 27,277,777.80 × 13,402,216.20
  4. Step 4: Simplify right side
    18,185,185.20x = 365,582,675,531,160.38
  5. Step 5: Solve for x
    x = 365,582,675,531,160.38/18,185,185.20
  6. Step 6: Final answer
    x = 20,103,324.30

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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.