Home / 13,667,088.18-18,860,975.36-7,555,910.34

Finding the Fourth Proportional to 13,667,088.18, 18,860,975.36 and 7,555,910.34

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Solution

The fourth proportional to 13,667,088.18, 18,860,975.36 and 7,555,910.34 is: 10,427,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,088.18 : 18,860,975.36 = 7,555,910.34 : x
  2. Step 2: Convert to fraction form
    13,667,088.18/18,860,975.36 = 7,555,910.34/x
  3. Step 3: Cross multiply
    13,667,088.18x = 18,860,975.36 × 7,555,910.34
  4. Step 4: Simplify right side
    13,667,088.18x = 142,511,838,707,329.66
  5. Step 5: Solve for x
    x = 142,511,838,707,329.66/13,667,088.18
  6. Step 6: Final answer
    x = 10,427,373.91

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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.