Home / 13,029,361.64-17,980,540.28-7,228,143.52

Finding the Fourth Proportional to 13,029,361.64, 17,980,540.28 and 7,228,143.52

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Solution

The fourth proportional to 13,029,361.64, 17,980,540.28 and 7,228,143.52 is: 9,974,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,361.64 : 17,980,540.28 = 7,228,143.52 : x
  2. Step 2: Convert to fraction form
    13,029,361.64/17,980,540.28 = 7,228,143.52/x
  3. Step 3: Cross multiply
    13,029,361.64x = 17,980,540.28 × 7,228,143.52
  4. Step 4: Simplify right side
    13,029,361.64x = 129,965,925,710,980.98
  5. Step 5: Solve for x
    x = 129,965,925,710,980.98/13,029,361.64
  6. Step 6: Final answer
    x = 9,974,849.83

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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.