Home / 13,290,823.20-19,936,234.80-7,244,205.60

Finding the Fourth Proportional to 13,290,823.20, 19,936,234.80 and 7,244,205.60

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Solution

The fourth proportional to 13,290,823.20, 19,936,234.80 and 7,244,205.60 is: 10,866,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,823.20 : 19,936,234.80 = 7,244,205.60 : x
  2. Step 2: Convert to fraction form
    13,290,823.20/19,936,234.80 = 7,244,205.60/x
  3. Step 3: Cross multiply
    13,290,823.20x = 19,936,234.80 × 7,244,205.60
  4. Step 4: Simplify right side
    13,290,823.20x = 144,422,183,781,074.88
  5. Step 5: Solve for x
    x = 144,422,183,781,074.88/13,290,823.20
  6. Step 6: Final answer
    x = 10,866,308.40

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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.