Home / 14,188,721.68-19,580,435.72-7,662,350.94

Finding the Fourth Proportional to 14,188,721.68, 19,580,435.72 and 7,662,350.94

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Solution

The fourth proportional to 14,188,721.68, 19,580,435.72 and 7,662,350.94 is: 10,574,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,721.68 : 19,580,435.72 = 7,662,350.94 : x
  2. Step 2: Convert to fraction form
    14,188,721.68/19,580,435.72 = 7,662,350.94/x
  3. Step 3: Cross multiply
    14,188,721.68x = 19,580,435.72 × 7,662,350.94
  4. Step 4: Simplify right side
    14,188,721.68x = 150,032,170,108,600.25
  5. Step 5: Solve for x
    x = 150,032,170,108,600.25/14,188,721.68
  6. Step 6: Final answer
    x = 10,574,044.20

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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.