Home / 14,389,833.96-19,859,996.25-9,161,171.91

Finding the Fourth Proportional to 14,389,833.96, 19,859,996.25 and 9,161,171.91

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Solution

The fourth proportional to 14,389,833.96, 19,859,996.25 and 9,161,171.91 is: 12,643,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,833.96 : 19,859,996.25 = 9,161,171.91 : x
  2. Step 2: Convert to fraction form
    14,389,833.96/19,859,996.25 = 9,161,171.91/x
  3. Step 3: Cross multiply
    14,389,833.96x = 19,859,996.25 × 9,161,171.91
  4. Step 4: Simplify right side
    14,389,833.96x = 181,940,839,778,205.34
  5. Step 5: Solve for x
    x = 181,940,839,778,205.34/14,389,833.96
  6. Step 6: Final answer
    x = 12,643,706.68

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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.