Home / 15,400,216.72-21,252,041.16-8,524,550.80

Finding the Fourth Proportional to 15,400,216.72, 21,252,041.16 and 8,524,550.80

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Solution

The fourth proportional to 15,400,216.72, 21,252,041.16 and 8,524,550.80 is: 11,763,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,216.72 : 21,252,041.16 = 8,524,550.80 : x
  2. Step 2: Convert to fraction form
    15,400,216.72/21,252,041.16 = 8,524,550.80/x
  3. Step 3: Cross multiply
    15,400,216.72x = 21,252,041.16 × 8,524,550.80
  4. Step 4: Simplify right side
    15,400,216.72x = 181,164,104,472,110.94
  5. Step 5: Solve for x
    x = 181,164,104,472,110.94/15,400,216.72
  6. Step 6: Final answer
    x = 11,763,737.34

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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.