Home / 19,627,207.20-27,085,096.10-12,289,085.91

Finding the Fourth Proportional to 19,627,207.20, 27,085,096.10 and 12,289,085.91

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Solution

The fourth proportional to 19,627,207.20, 27,085,096.10 and 12,289,085.91 is: 16,958,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627,207.20 : 27,085,096.10 = 12,289,085.91 : x
  2. Step 2: Convert to fraction form
    19,627,207.20/27,085,096.10 = 12,289,085.91/x
  3. Step 3: Cross multiply
    19,627,207.20x = 27,085,096.10 × 12,289,085.91
  4. Step 4: Simplify right side
    19,627,207.20x = 332,851,072,884,228.69
  5. Step 5: Solve for x
    x = 332,851,072,884,228.69/19,627,207.20
  6. Step 6: Final answer
    x = 16,958,656.90

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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.