Home / 12,885,242.67-17,781,754.33-7,084,065.09

Finding the Fourth Proportional to 12,885,242.67, 17,781,754.33 and 7,084,065.09

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Solution

The fourth proportional to 12,885,242.67, 17,781,754.33 and 7,084,065.09 is: 9,776,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,242.67 : 17,781,754.33 = 7,084,065.09 : x
  2. Step 2: Convert to fraction form
    12,885,242.67/17,781,754.33 = 7,084,065.09/x
  3. Step 3: Cross multiply
    12,885,242.67x = 17,781,754.33 × 7,084,065.09
  4. Step 4: Simplify right side
    12,885,242.67x = 125,967,105,163,646
  5. Step 5: Solve for x
    x = 125,967,105,163,646/12,885,242.67
  6. Step 6: Final answer
    x = 9,776,075.50

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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.