Home / 12,820,092.80-17,691,719.95-7,018,873.00

Finding the Fourth Proportional to 12,820,092.80, 17,691,719.95 and 7,018,873.00

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Solution

The fourth proportional to 12,820,092.80, 17,691,719.95 and 7,018,873.00 is: 9,686,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,092.80 : 17,691,719.95 = 7,018,873.00 : x
  2. Step 2: Convert to fraction form
    12,820,092.80/17,691,719.95 = 7,018,873.00/x
  3. Step 3: Cross multiply
    12,820,092.80x = 17,691,719.95 × 7,018,873.00
  4. Step 4: Simplify right side
    12,820,092.80x = 124,175,935,505,195.41
  5. Step 5: Solve for x
    x = 124,175,935,505,195.41/12,820,092.80
  6. Step 6: Final answer
    x = 9,686,040.30

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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.