Home / 12,509,677.89-17,263,238.82-7,077,169.89

Finding the Fourth Proportional to 12,509,677.89, 17,263,238.82 and 7,077,169.89

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Solution

The fourth proportional to 12,509,677.89, 17,263,238.82 and 7,077,169.89 is: 9,766,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,677.89 : 17,263,238.82 = 7,077,169.89 : x
  2. Step 2: Convert to fraction form
    12,509,677.89/17,263,238.82 = 7,077,169.89/x
  3. Step 3: Cross multiply
    12,509,677.89x = 17,263,238.82 × 7,077,169.89
  4. Step 4: Simplify right side
    12,509,677.89x = 122,174,873,980,783.12
  5. Step 5: Solve for x
    x = 122,174,873,980,783.12/12,509,677.89
  6. Step 6: Final answer
    x = 9,766,428.44

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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.