Home / 18,111,863.20-27,199,287.60-9,608,807.20

Finding the Fourth Proportional to 18,111,863.20, 27,199,287.60 and 9,608,807.20

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Solution

The fourth proportional to 18,111,863.20, 27,199,287.60 and 9,608,807.20 is: 14,429,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,863.20 : 27,199,287.60 = 9,608,807.20 : x
  2. Step 2: Convert to fraction form
    18,111,863.20/27,199,287.60 = 9,608,807.20/x
  3. Step 3: Cross multiply
    18,111,863.20x = 27,199,287.60 × 9,608,807.20
  4. Step 4: Simplify right side
    18,111,863.20x = 261,352,710,525,750.72
  5. Step 5: Solve for x
    x = 261,352,710,525,750.72/18,111,863.20
  6. Step 6: Final answer
    x = 14,429,918.54

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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.