Home / 14,392,614.40-19,848,067.12-9,423,640.80

Finding the Fourth Proportional to 14,392,614.40, 19,848,067.12 and 9,423,640.80

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Solution

The fourth proportional to 14,392,614.40, 19,848,067.12 and 9,423,640.80 is: 12,995,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392,614.40 : 19,848,067.12 = 9,423,640.80 : x
  2. Step 2: Convert to fraction form
    14,392,614.40/19,848,067.12 = 9,423,640.80/x
  3. Step 3: Cross multiply
    14,392,614.40x = 19,848,067.12 × 9,423,640.80
  4. Step 4: Simplify right side
    14,392,614.40x = 187,041,055,113,170.53
  5. Step 5: Solve for x
    x = 187,041,055,113,170.53/14,392,614.40
  6. Step 6: Final answer
    x = 12,995,627.47

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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.