Home / 19,345,118.70-28,992,794.85-11,764,037.10

Finding the Fourth Proportional to 19,345,118.70, 28,992,794.85 and 11,764,037.10

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Solution

The fourth proportional to 19,345,118.70, 28,992,794.85 and 11,764,037.10 is: 17,630,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,118.70 : 28,992,794.85 = 11,764,037.10 : x
  2. Step 2: Convert to fraction form
    19,345,118.70/28,992,794.85 = 11,764,037.10/x
  3. Step 3: Cross multiply
    19,345,118.70x = 28,992,794.85 × 11,764,037.10
  4. Step 4: Simplify right side
    19,345,118.70x = 341,072,314,248,088.94
  5. Step 5: Solve for x
    x = 341,072,314,248,088.94/19,345,118.70
  6. Step 6: Final answer
    x = 17,630,923.83

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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.