Home / 14,640,693.64-20,204,159.16-8,114,743.96

Finding the Fourth Proportional to 14,640,693.64, 20,204,159.16 and 8,114,743.96

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Solution

The fourth proportional to 14,640,693.64, 20,204,159.16 and 8,114,743.96 is: 11,198,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640,693.64 : 20,204,159.16 = 8,114,743.96 : x
  2. Step 2: Convert to fraction form
    14,640,693.64/20,204,159.16 = 8,114,743.96/x
  3. Step 3: Cross multiply
    14,640,693.64x = 20,204,159.16 × 8,114,743.96
  4. Step 4: Simplify right side
    14,640,693.64x = 163,951,578,490,408.56
  5. Step 5: Solve for x
    x = 163,951,578,490,408.56/14,640,693.64
  6. Step 6: Final answer
    x = 11,198,347.74

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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.