Home / 8,283,972.09-11,426,024.26-7,179,405.20

Finding the Fourth Proportional to 8,283,972.09, 11,426,024.26 and 7,179,405.20

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Solution

The fourth proportional to 8,283,972.09, 11,426,024.26 and 7,179,405.20 is: 9,902,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,972.09 : 11,426,024.26 = 7,179,405.20 : x
  2. Step 2: Convert to fraction form
    8,283,972.09/11,426,024.26 = 7,179,405.20/x
  3. Step 3: Cross multiply
    8,283,972.09x = 11,426,024.26 × 7,179,405.20
  4. Step 4: Simplify right side
    8,283,972.09x = 82,032,057,982,261.89
  5. Step 5: Solve for x
    x = 82,032,057,982,261.89/8,283,972.09
  6. Step 6: Final answer
    x = 9,902,502.94

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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.