Home / 12,716,408.97-17,548,769.34-6,915,316.77

Finding the Fourth Proportional to 12,716,408.97, 17,548,769.34 and 6,915,316.77

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Solution

The fourth proportional to 12,716,408.97, 17,548,769.34 and 6,915,316.77 is: 9,543,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,408.97 : 17,548,769.34 = 6,915,316.77 : x
  2. Step 2: Convert to fraction form
    12,716,408.97/17,548,769.34 = 6,915,316.77/x
  3. Step 3: Cross multiply
    12,716,408.97x = 17,548,769.34 × 6,915,316.77
  4. Step 4: Simplify right side
    12,716,408.97x = 121,355,298,909,763.83
  5. Step 5: Solve for x
    x = 121,355,298,909,763.83/12,716,408.97
  6. Step 6: Final answer
    x = 9,543,205.10

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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.