Home / 15,382,735.88-21,225,817.41-8,855,104.01

Finding the Fourth Proportional to 15,382,735.88, 21,225,817.41 and 8,855,104.01

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Solution

The fourth proportional to 15,382,735.88, 21,225,817.41 and 8,855,104.01 is: 12,218,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,735.88 : 21,225,817.41 = 8,855,104.01 : x
  2. Step 2: Convert to fraction form
    15,382,735.88/21,225,817.41 = 8,855,104.01/x
  3. Step 3: Cross multiply
    15,382,735.88x = 21,225,817.41 × 8,855,104.01
  4. Step 4: Simplify right side
    15,382,735.88x = 187,956,820,862,818.81
  5. Step 5: Solve for x
    x = 187,956,820,862,818.81/15,382,735.88
  6. Step 6: Final answer
    x = 12,218,686.09

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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.