Home / 31,383,284.80-47,074,927.20-11,189,185.60

Finding the Fourth Proportional to 31,383,284.80, 47,074,927.20 and 11,189,185.60

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Solution

The fourth proportional to 31,383,284.80, 47,074,927.20 and 11,189,185.60 is: 16,783,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383,284.80 : 47,074,927.20 = 11,189,185.60 : x
  2. Step 2: Convert to fraction form
    31,383,284.80/47,074,927.20 = 11,189,185.60/x
  3. Step 3: Cross multiply
    31,383,284.80x = 47,074,927.20 × 11,189,185.60
  4. Step 4: Simplify right side
    31,383,284.80x = 526,730,097,547,288.31
  5. Step 5: Solve for x
    x = 526,730,097,547,288.31/31,383,284.80
  6. Step 6: Final answer
    x = 16,783,778.40

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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.