Home / 12,392,359.57-18,595,814.78-5,203,340.65

Finding the Fourth Proportional to 12,392,359.57, 18,595,814.78 and 5,203,340.65

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Solution

The fourth proportional to 12,392,359.57, 18,595,814.78 and 5,203,340.65 is: 7,808,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392,359.57 : 18,595,814.78 = 5,203,340.65 : x
  2. Step 2: Convert to fraction form
    12,392,359.57/18,595,814.78 = 5,203,340.65/x
  3. Step 3: Cross multiply
    12,392,359.57x = 18,595,814.78 × 5,203,340.65
  4. Step 4: Simplify right side
    12,392,359.57x = 96,760,358,964,644.81
  5. Step 5: Solve for x
    x = 96,760,358,964,644.81/12,392,359.57
  6. Step 6: Final answer
    x = 7,808,065.80

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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.