Home / 13,643,081.24-18,825,665.34-8,137,102.31

Finding the Fourth Proportional to 13,643,081.24, 18,825,665.34 and 8,137,102.31

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Solution

The fourth proportional to 13,643,081.24, 18,825,665.34 and 8,137,102.31 is: 11,228,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,081.24 : 18,825,665.34 = 8,137,102.31 : x
  2. Step 2: Convert to fraction form
    13,643,081.24/18,825,665.34 = 8,137,102.31/x
  3. Step 3: Cross multiply
    13,643,081.24x = 18,825,665.34 × 8,137,102.31
  4. Step 4: Simplify right side
    13,643,081.24x = 153,186,364,925,400.94
  5. Step 5: Solve for x
    x = 153,186,364,925,400.94/13,643,081.24
  6. Step 6: Final answer
    x = 11,228,135.51

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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.