Home / 16,388,156.57-22,615,657.38-9,045,991.76

Finding the Fourth Proportional to 16,388,156.57, 22,615,657.38 and 9,045,991.76

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Solution

The fourth proportional to 16,388,156.57, 22,615,657.38 and 9,045,991.76 is: 12,483,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,156.57 : 22,615,657.38 = 9,045,991.76 : x
  2. Step 2: Convert to fraction form
    16,388,156.57/22,615,657.38 = 9,045,991.76/x
  3. Step 3: Cross multiply
    16,388,156.57x = 22,615,657.38 × 9,045,991.76
  4. Step 4: Simplify right side
    16,388,156.57x = 204,581,050,193,384.91
  5. Step 5: Solve for x
    x = 204,581,050,193,384.91/16,388,156.57
  6. Step 6: Final answer
    x = 12,483,469.35

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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.