Home / 19,700,519.69-29,568,944.79-9,991,946.45

Finding the Fourth Proportional to 19,700,519.69, 29,568,944.79 and 9,991,946.45

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Solution

The fourth proportional to 19,700,519.69, 29,568,944.79 and 9,991,946.45 is: 14,997,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700,519.69 : 29,568,944.79 = 9,991,946.45 : x
  2. Step 2: Convert to fraction form
    19,700,519.69/29,568,944.79 = 9,991,946.45/x
  3. Step 3: Cross multiply
    19,700,519.69x = 29,568,944.79 × 9,991,946.45
  4. Step 4: Simplify right side
    19,700,519.69x = 295,451,312,924,686.44
  5. Step 5: Solve for x
    x = 295,451,312,924,686.44/19,700,519.69
  6. Step 6: Final answer
    x = 14,997,132.95

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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.