Home / 9,948,919.20-14,923,378.80-7,784,080.80

Finding the Fourth Proportional to 9,948,919.20, 14,923,378.80 and 7,784,080.80

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Solution

The fourth proportional to 9,948,919.20, 14,923,378.80 and 7,784,080.80 is: 11,676,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948,919.20 : 14,923,378.80 = 7,784,080.80 : x
  2. Step 2: Convert to fraction form
    9,948,919.20/14,923,378.80 = 7,784,080.80/x
  3. Step 3: Cross multiply
    9,948,919.20x = 14,923,378.80 × 7,784,080.80
  4. Step 4: Simplify right side
    9,948,919.20x = 116,164,786,388,207.05
  5. Step 5: Solve for x
    x = 116,164,786,388,207.05/9,948,919.20
  6. Step 6: Final answer
    x = 11,676,121.20

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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.