Home / 18,106,243.20-27,156,740.40-5,325,415.20

Finding the Fourth Proportional to 18,106,243.20, 27,156,740.40 and 5,325,415.20

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Solution

The fourth proportional to 18,106,243.20, 27,156,740.40 and 5,325,415.20 is: 7,987,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106,243.20 : 27,156,740.40 = 5,325,415.20 : x
  2. Step 2: Convert to fraction form
    18,106,243.20/27,156,740.40 = 5,325,415.20/x
  3. Step 3: Cross multiply
    18,106,243.20x = 27,156,740.40 × 5,325,415.20
  4. Step 4: Simplify right side
    18,106,243.20x = 144,620,918,108,614.06
  5. Step 5: Solve for x
    x = 144,620,918,108,614.06/18,106,243.20
  6. Step 6: Final answer
    x = 7,987,350.91

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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.