Home / 18,666,145.80-27,999,218.70-15,926,272.20

Finding the Fourth Proportional to 18,666,145.80, 27,999,218.70 and 15,926,272.20

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Solution

The fourth proportional to 18,666,145.80, 27,999,218.70 and 15,926,272.20 is: 23,889,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666,145.80 : 27,999,218.70 = 15,926,272.20 : x
  2. Step 2: Convert to fraction form
    18,666,145.80/27,999,218.70 = 15,926,272.20/x
  3. Step 3: Cross multiply
    18,666,145.80x = 27,999,218.70 × 15,926,272.20
  4. Step 4: Simplify right side
    18,666,145.80x = 445,923,178,403,530.12
  5. Step 5: Solve for x
    x = 445,923,178,403,530.12/18,666,145.80
  6. Step 6: Final answer
    x = 23,889,408.30

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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.