Home / 39,257,933.81-54,176,349.57-21,618,476.69

Finding the Fourth Proportional to 39,257,933.81, 54,176,349.57 and 21,618,476.69

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Solution

The fourth proportional to 39,257,933.81, 54,176,349.57 and 21,618,476.69 is: 29,833,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257,933.81 : 54,176,349.57 = 21,618,476.69 : x
  2. Step 2: Convert to fraction form
    39,257,933.81/54,176,349.57 = 21,618,476.69/x
  3. Step 3: Cross multiply
    39,257,933.81x = 54,176,349.57 × 21,618,476.69
  4. Step 4: Simplify right side
    39,257,933.81x = 1,171,210,150,328,336.50
  5. Step 5: Solve for x
    x = 1,171,210,150,328,336.50/39,257,933.81
  6. Step 6: Final answer
    x = 29,833,718.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.