Home / 21,141,570.54-31,707,393.74-11,923,528.36

Finding the Fourth Proportional to 21,141,570.54, 31,707,393.74 and 11,923,528.36

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Solution

The fourth proportional to 21,141,570.54, 31,707,393.74 and 11,923,528.36 is: 17,882,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,570.54 : 31,707,393.74 = 11,923,528.36 : x
  2. Step 2: Convert to fraction form
    21,141,570.54/31,707,393.74 = 11,923,528.36/x
  3. Step 3: Cross multiply
    21,141,570.54x = 31,707,393.74 × 11,923,528.36
  4. Step 4: Simplify right side
    21,141,570.54x = 378,064,008,480,576.44
  5. Step 5: Solve for x
    x = 378,064,008,480,576.44/21,141,570.54
  6. Step 6: Final answer
    x = 17,882,494.01

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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.