Home / 14,188,721.12-19,580,434.94-7,662,350.38

Finding the Fourth Proportional to 14,188,721.12, 19,580,434.94 and 7,662,350.38

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Solution

The fourth proportional to 14,188,721.12, 19,580,434.94 and 7,662,350.38 is: 10,574,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,721.12 : 19,580,434.94 = 7,662,350.38 : x
  2. Step 2: Convert to fraction form
    14,188,721.12/19,580,434.94 = 7,662,350.38/x
  3. Step 3: Cross multiply
    14,188,721.12x = 19,580,434.94 × 7,662,350.38
  4. Step 4: Simplify right side
    14,188,721.12x = 150,032,153,140,221.75
  5. Step 5: Solve for x
    x = 150,032,153,140,221.75/14,188,721.12
  6. Step 6: Final answer
    x = 10,574,043.42

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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.