Home / 9,361,828.40-14,042,742.60-7,661,217.20

Finding the Fourth Proportional to 9,361,828.40, 14,042,742.60 and 7,661,217.20

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Solution

The fourth proportional to 9,361,828.40, 14,042,742.60 and 7,661,217.20 is: 11,491,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,828.40 : 14,042,742.60 = 7,661,217.20 : x
  2. Step 2: Convert to fraction form
    9,361,828.40/14,042,742.60 = 7,661,217.20/x
  3. Step 3: Cross multiply
    9,361,828.40x = 14,042,742.60 × 7,661,217.20
  4. Step 4: Simplify right side
    9,361,828.40x = 107,584,501,142,292.72
  5. Step 5: Solve for x
    x = 107,584,501,142,292.72/9,361,828.40
  6. Step 6: Final answer
    x = 11,491,825.80

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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.