Home / 18,403,976.20-27,605,964.30-11,601,531.40

Finding the Fourth Proportional to 18,403,976.20, 27,605,964.30 and 11,601,531.40

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Solution

The fourth proportional to 18,403,976.20, 27,605,964.30 and 11,601,531.40 is: 17,402,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,976.20 : 27,605,964.30 = 11,601,531.40 : x
  2. Step 2: Convert to fraction form
    18,403,976.20/27,605,964.30 = 11,601,531.40/x
  3. Step 3: Cross multiply
    18,403,976.20x = 27,605,964.30 × 11,601,531.40
  4. Step 4: Simplify right side
    18,403,976.20x = 320,271,461,653,729.06
  5. Step 5: Solve for x
    x = 320,271,461,653,729.06/18,403,976.20
  6. Step 6: Final answer
    x = 17,402,297.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.