Home / 14,320,997.64-19,761,487.38-8,124,069.96

Finding the Fourth Proportional to 14,320,997.64, 19,761,487.38 and 8,124,069.96

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Solution

The fourth proportional to 14,320,997.64, 19,761,487.38 and 8,124,069.96 is: 11,210,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320,997.64 : 19,761,487.38 = 8,124,069.96 : x
  2. Step 2: Convert to fraction form
    14,320,997.64/19,761,487.38 = 8,124,069.96/x
  3. Step 3: Cross multiply
    14,320,997.64x = 19,761,487.38 × 8,124,069.96
  4. Step 4: Simplify right side
    14,320,997.64x = 160,543,705,988,777.09
  5. Step 5: Solve for x
    x = 160,543,705,988,777.09/14,320,997.64
  6. Step 6: Final answer
    x = 11,210,371.65

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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.