Home / 13,300,524.36-18,342,462.42-9,979,550.28

Finding the Fourth Proportional to 13,300,524.36, 18,342,462.42 and 9,979,550.28

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Solution

The fourth proportional to 13,300,524.36, 18,342,462.42 and 9,979,550.28 is: 13,762,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,524.36 : 18,342,462.42 = 9,979,550.28 : x
  2. Step 2: Convert to fraction form
    13,300,524.36/18,342,462.42 = 9,979,550.28/x
  3. Step 3: Cross multiply
    13,300,524.36x = 18,342,462.42 × 9,979,550.28
  4. Step 4: Simplify right side
    13,300,524.36x = 183,049,525,979,400.47
  5. Step 5: Solve for x
    x = 183,049,525,979,400.47/13,300,524.36
  6. Step 6: Final answer
    x = 13,762,579.66

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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.