Home / 22,078,869.43-30,468,841.27-12,289,103.52

Finding the Fourth Proportional to 22,078,869.43, 30,468,841.27 and 12,289,103.52

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Solution

The fourth proportional to 22,078,869.43, 30,468,841.27 and 12,289,103.52 is: 16,958,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078,869.43 : 30,468,841.27 = 12,289,103.52 : x
  2. Step 2: Convert to fraction form
    22,078,869.43/30,468,841.27 = 12,289,103.52/x
  3. Step 3: Cross multiply
    22,078,869.43x = 30,468,841.27 × 12,289,103.52
  4. Step 4: Simplify right side
    22,078,869.43x = 374,434,744,501,478.25
  5. Step 5: Solve for x
    x = 374,434,744,501,478.25/22,078,869.43
  6. Step 6: Final answer
    x = 16,958,963.67

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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.