Home / 13,029,361.83-17,980,540.50-7,228,143.63

Finding the Fourth Proportional to 13,029,361.83, 17,980,540.50 and 7,228,143.63

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Solution

The fourth proportional to 13,029,361.83, 17,980,540.50 and 7,228,143.63 is: 9,974,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,361.83 : 17,980,540.50 = 7,228,143.63 : x
  2. Step 2: Convert to fraction form
    13,029,361.83/17,980,540.50 = 7,228,143.63/x
  3. Step 3: Cross multiply
    13,029,361.83x = 17,980,540.50 × 7,228,143.63
  4. Step 4: Simplify right side
    13,029,361.83x = 129,965,929,279,032.02
  5. Step 5: Solve for x
    x = 129,965,929,279,032.02/13,029,361.83
  6. Step 6: Final answer
    x = 9,974,849.96

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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.