Home / 14,433,209.39-19,917,827.82-8,631,991.01

Finding the Fourth Proportional to 14,433,209.39, 19,917,827.82 and 8,631,991.01

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Solution

The fourth proportional to 14,433,209.39, 19,917,827.82 and 8,631,991.01 is: 11,912,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433,209.39 : 19,917,827.82 = 8,631,991.01 : x
  2. Step 2: Convert to fraction form
    14,433,209.39/19,917,827.82 = 8,631,991.01/x
  3. Step 3: Cross multiply
    14,433,209.39x = 19,917,827.82 × 8,631,991.01
  4. Step 4: Simplify right side
    14,433,209.39x = 171,930,510,581,378.78
  5. Step 5: Solve for x
    x = 171,930,510,581,378.78/14,433,209.39
  6. Step 6: Final answer
    x = 11,912,146.91

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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.