Home / 28,689,628.28-39,591,701.68-16,299,743.16

Finding the Fourth Proportional to 28,689,628.28, 39,591,701.68 and 16,299,743.16

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Solution

The fourth proportional to 28,689,628.28, 39,591,701.68 and 16,299,743.16 is: 22,493,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,628.28 : 39,591,701.68 = 16,299,743.16 : x
  2. Step 2: Convert to fraction form
    28,689,628.28/39,591,701.68 = 16,299,743.16/x
  3. Step 3: Cross multiply
    28,689,628.28x = 39,591,701.68 × 16,299,743.16
  4. Step 4: Simplify right side
    28,689,628.28x = 645,334,568,651,340.50
  5. Step 5: Solve for x
    x = 645,334,568,651,340.50/28,689,628.28
  6. Step 6: Final answer
    x = 22,493,653.89

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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.