Home / 20,733,964.40-31,100,946.60-18,550,463.60

Finding the Fourth Proportional to 20,733,964.40, 31,100,946.60 and 18,550,463.60

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Solution

The fourth proportional to 20,733,964.40, 31,100,946.60 and 18,550,463.60 is: 27,825,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,964.40 : 31,100,946.60 = 18,550,463.60 : x
  2. Step 2: Convert to fraction form
    20,733,964.40/31,100,946.60 = 18,550,463.60/x
  3. Step 3: Cross multiply
    20,733,964.40x = 31,100,946.60 × 18,550,463.60
  4. Step 4: Simplify right side
    20,733,964.40x = 576,936,977,828,843.88
  5. Step 5: Solve for x
    x = 576,936,977,828,843.88/20,733,964.40
  6. Step 6: Final answer
    x = 27,825,695.40

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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.