Home / 19,928,137.20-29,873,397.60-10,816,803.60

Finding the Fourth Proportional to 19,928,137.20, 29,873,397.60 and 10,816,803.60

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Solution

The fourth proportional to 19,928,137.20, 29,873,397.60 and 10,816,803.60 is: 16,214,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,137.20 : 29,873,397.60 = 10,816,803.60 : x
  2. Step 2: Convert to fraction form
    19,928,137.20/29,873,397.60 = 10,816,803.60/x
  3. Step 3: Cross multiply
    19,928,137.20x = 29,873,397.60 × 10,816,803.60
  4. Step 4: Simplify right side
    19,928,137.20x = 323,134,674,703,911.38
  5. Step 5: Solve for x
    x = 323,134,674,703,911.38/19,928,137.20
  6. Step 6: Final answer
    x = 16,214,996.49

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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.