Home / 11,537,731.80-15,926,972.38-7,188,966.69

Finding the Fourth Proportional to 11,537,731.80, 15,926,972.38 and 7,188,966.69

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Solution

The fourth proportional to 11,537,731.80, 15,926,972.38 and 7,188,966.69 is: 9,923,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,731.80 : 15,926,972.38 = 7,188,966.69 : x
  2. Step 2: Convert to fraction form
    11,537,731.80/15,926,972.38 = 7,188,966.69/x
  3. Step 3: Cross multiply
    11,537,731.80x = 15,926,972.38 × 7,188,966.69
  4. Step 4: Simplify right side
    11,537,731.80x = 114,498,473,834,671.45
  5. Step 5: Solve for x
    x = 114,498,473,834,671.45/11,537,731.80
  6. Step 6: Final answer
    x = 9,923,828.69

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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.