Home / 19,928,128.20-29,873,384.10-10,816,794.60

Finding the Fourth Proportional to 19,928,128.20, 29,873,384.10 and 10,816,794.60

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Solution

The fourth proportional to 19,928,128.20, 29,873,384.10 and 10,816,794.60 is: 16,214,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,128.20 : 29,873,384.10 = 10,816,794.60 : x
  2. Step 2: Convert to fraction form
    19,928,128.20/29,873,384.10 = 10,816,794.60/x
  3. Step 3: Cross multiply
    19,928,128.20x = 29,873,384.10 × 10,816,794.60
  4. Step 4: Simplify right side
    19,928,128.20x = 323,134,259,816,605.88
  5. Step 5: Solve for x
    x = 323,134,259,816,605.88/19,928,128.20
  6. Step 6: Final answer
    x = 16,214,982.99

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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.