Home / 18,665,110.80-27,994,210.20-5,199,152.40

Finding the Fourth Proportional to 18,665,110.80, 27,994,210.20 and 5,199,152.40

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Solution

The fourth proportional to 18,665,110.80, 27,994,210.20 and 5,199,152.40 is: 7,797,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,110.80 : 27,994,210.20 = 5,199,152.40 : x
  2. Step 2: Convert to fraction form
    18,665,110.80/27,994,210.20 = 5,199,152.40/x
  3. Step 3: Cross multiply
    18,665,110.80x = 27,994,210.20 × 5,199,152.40
  4. Step 4: Simplify right side
    18,665,110.80x = 145,546,165,147,434.50
  5. Step 5: Solve for x
    x = 145,546,165,147,434.50/18,665,110.80
  6. Step 6: Final answer
    x = 7,797,765.93

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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.