Home / 13,726,242.36-18,942,156.72-7,614,670.86

Finding the Fourth Proportional to 13,726,242.36, 18,942,156.72 and 7,614,670.86

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Solution

The fourth proportional to 13,726,242.36, 18,942,156.72 and 7,614,670.86 is: 10,508,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,242.36 : 18,942,156.72 = 7,614,670.86 : x
  2. Step 2: Convert to fraction form
    13,726,242.36/18,942,156.72 = 7,614,670.86/x
  3. Step 3: Cross multiply
    13,726,242.36x = 18,942,156.72 × 7,614,670.86
  4. Step 4: Simplify right side
    13,726,242.36x = 144,238,288,801,337.19
  5. Step 5: Solve for x
    x = 144,238,288,801,337.19/13,726,242.36
  6. Step 6: Final answer
    x = 10,508,213.76

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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.