Home / 13,006,600.40-17,950,211.16-7,207,201.28

Finding the Fourth Proportional to 13,006,600.40, 17,950,211.16 and 7,207,201.28

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Solution

The fourth proportional to 13,006,600.40, 17,950,211.16 and 7,207,201.28 is: 9,946,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,600.40 : 17,950,211.16 = 7,207,201.28 : x
  2. Step 2: Convert to fraction form
    13,006,600.40/17,950,211.16 = 7,207,201.28/x
  3. Step 3: Cross multiply
    13,006,600.40x = 17,950,211.16 × 7,207,201.28
  4. Step 4: Simplify right side
    13,006,600.40x = 129,370,784,848,622.30
  5. Step 5: Solve for x
    x = 129,370,784,848,622.30/13,006,600.40
  6. Step 6: Final answer
    x = 9,946,548.74

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1.5x scale

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.