Home / 21,343,872.45-29,454,510.09-11,554,314.03

Finding the Fourth Proportional to 21,343,872.45, 29,454,510.09 and 11,554,314.03

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Solution

The fourth proportional to 21,343,872.45, 29,454,510.09 and 11,554,314.03 is: 15,944,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,872.45 : 29,454,510.09 = 11,554,314.03 : x
  2. Step 2: Convert to fraction form
    21,343,872.45/29,454,510.09 = 11,554,314.03/x
  3. Step 3: Cross multiply
    21,343,872.45x = 29,454,510.09 × 11,554,314.03
  4. Step 4: Simplify right side
    21,343,872.45x = 340,326,659,179,663.56
  5. Step 5: Solve for x
    x = 340,326,659,179,663.56/21,343,872.45
  6. Step 6: Final answer
    x = 15,944,935.01

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1.5x scale

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.