Home / 14,790,427.20-22,185,640.80-9,919,540.80

Finding the Fourth Proportional to 14,790,427.20, 22,185,640.80 and 9,919,540.80

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Solution

The fourth proportional to 14,790,427.20, 22,185,640.80 and 9,919,540.80 is: 14,879,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790,427.20 : 22,185,640.80 = 9,919,540.80 : x
  2. Step 2: Convert to fraction form
    14,790,427.20/22,185,640.80 = 9,919,540.80/x
  3. Step 3: Cross multiply
    14,790,427.20x = 22,185,640.80 × 9,919,540.80
  4. Step 4: Simplify right side
    14,790,427.20x = 220,071,369,089,744.66
  5. Step 5: Solve for x
    x = 220,071,369,089,744.66/14,790,427.20
  6. Step 6: Final answer
    x = 14,879,311.20

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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.