Home / 19,652,819.76-27,122,909.37-11,814,869.46

Finding the Fourth Proportional to 19,652,819.76, 27,122,909.37 and 11,814,869.46

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Solution

The fourth proportional to 19,652,819.76, 27,122,909.37 and 11,814,869.46 is: 16,305,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652,819.76 : 27,122,909.37 = 11,814,869.46 : x
  2. Step 2: Convert to fraction form
    19,652,819.76/27,122,909.37 = 11,814,869.46/x
  3. Step 3: Cross multiply
    19,652,819.76x = 27,122,909.37 × 11,814,869.46
  4. Step 4: Simplify right side
    19,652,819.76x = 320,453,633,581,960.88
  5. Step 5: Solve for x
    x = 320,453,633,581,960.88/19,652,819.76
  6. Step 6: Final answer
    x = 16,305,733.10

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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.