Home / 13,631,406.30-20,429,743.05-7,244,718.30

Finding the Fourth Proportional to 13,631,406.30, 20,429,743.05 and 7,244,718.30

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Solution

The fourth proportional to 13,631,406.30, 20,429,743.05 and 7,244,718.30 is: 10,857,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,406.30 : 20,429,743.05 = 7,244,718.30 : x
  2. Step 2: Convert to fraction form
    13,631,406.30/20,429,743.05 = 7,244,718.30/x
  3. Step 3: Cross multiply
    13,631,406.30x = 20,429,743.05 × 7,244,718.30
  4. Step 4: Simplify right side
    13,631,406.30x = 148,007,733,338,632.81
  5. Step 5: Solve for x
    x = 148,007,733,338,632.81/13,631,406.30
  6. Step 6: Final answer
    x = 10,857,847.69

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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.