Home / 13,207,513.80-19,811,270.70-8,672,550.60

Finding the Fourth Proportional to 13,207,513.80, 19,811,270.70 and 8,672,550.60

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Solution

The fourth proportional to 13,207,513.80, 19,811,270.70 and 8,672,550.60 is: 13,008,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,513.80 : 19,811,270.70 = 8,672,550.60 : x
  2. Step 2: Convert to fraction form
    13,207,513.80/19,811,270.70 = 8,672,550.60/x
  3. Step 3: Cross multiply
    13,207,513.80x = 19,811,270.70 × 8,672,550.60
  4. Step 4: Simplify right side
    13,207,513.80x = 171,814,247,596,047.41
  5. Step 5: Solve for x
    x = 171,814,247,596,047.41/13,207,513.80
  6. Step 6: Final answer
    x = 13,008,825.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.