Home / 15,384,872.70-23,078,531.04-5,149,786.52

Finding the Fourth Proportional to 15,384,872.70, 23,078,531.04 and 5,149,786.52

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Solution

The fourth proportional to 15,384,872.70, 23,078,531.04 and 5,149,786.52 is: 7,725,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384,872.70 : 23,078,531.04 = 5,149,786.52 : x
  2. Step 2: Convert to fraction form
    15,384,872.70/23,078,531.04 = 5,149,786.52/x
  3. Step 3: Cross multiply
    15,384,872.70x = 23,078,531.04 × 5,149,786.52
  4. Step 4: Simplify right side
    15,384,872.70x = 118,849,507,935,800.91
  5. Step 5: Solve for x
    x = 118,849,507,935,800.91/15,384,872.70
  6. Step 6: Final answer
    x = 7,725,088.81

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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.