Home / 13,006,770.90-17,950,446.09-7,207,371.78

Finding the Fourth Proportional to 13,006,770.90, 17,950,446.09 and 7,207,371.78

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Solution

The fourth proportional to 13,006,770.90, 17,950,446.09 and 7,207,371.78 is: 9,946,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,770.90 : 17,950,446.09 = 7,207,371.78 : x
  2. Step 2: Convert to fraction form
    13,006,770.90/17,950,446.09 = 7,207,371.78/x
  3. Step 3: Cross multiply
    13,006,770.90x = 17,950,446.09 × 7,207,371.78
  4. Step 4: Simplify right side
    13,006,770.90x = 129,375,538,587,477.34
  5. Step 5: Solve for x
    x = 129,375,538,587,477.34/13,006,770.90
  6. Step 6: Final answer
    x = 9,946,783.84

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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.