Home / 21,886,257.80-30,206,709.78-14,818,645.64

Finding the Fourth Proportional to 21,886,257.80, 30,206,709.78 and 14,818,645.64

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Solution

The fourth proportional to 21,886,257.80, 30,206,709.78 and 14,818,645.64 is: 20,452,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886,257.80 : 30,206,709.78 = 14,818,645.64 : x
  2. Step 2: Convert to fraction form
    21,886,257.80/30,206,709.78 = 14,818,645.64/x
  3. Step 3: Cross multiply
    21,886,257.80x = 30,206,709.78 × 14,818,645.64
  4. Step 4: Simplify right side
    21,886,257.80x = 447,622,528,180,142.38
  5. Step 5: Solve for x
    x = 447,622,528,180,142.38/21,886,257.80
  6. Step 6: Final answer
    x = 20,452,218.57

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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.