Home / 18,444,765.20-27,656,779.80-7,085,584.40

Finding the Fourth Proportional to 18,444,765.20, 27,656,779.80 and 7,085,584.40

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Solution

The fourth proportional to 18,444,765.20, 27,656,779.80 and 7,085,584.40 is: 10,624,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,765.20 : 27,656,779.80 = 7,085,584.40 : x
  2. Step 2: Convert to fraction form
    18,444,765.20/27,656,779.80 = 7,085,584.40/x
  3. Step 3: Cross multiply
    18,444,765.20x = 27,656,779.80 × 7,085,584.40
  4. Step 4: Simplify right side
    18,444,765.20x = 195,964,447,505,115.12
  5. Step 5: Solve for x
    x = 195,964,447,505,115.12/18,444,765.20
  6. Step 6: Final answer
    x = 10,624,393.72

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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.