Home / 14,468,870.72-19,966,962.75-7,942,611.21

Finding the Fourth Proportional to 14,468,870.72, 19,966,962.75 and 7,942,611.21

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Solution

The fourth proportional to 14,468,870.72, 19,966,962.75 and 7,942,611.21 is: 10,960,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468,870.72 : 19,966,962.75 = 7,942,611.21 : x
  2. Step 2: Convert to fraction form
    14,468,870.72/19,966,962.75 = 7,942,611.21/x
  3. Step 3: Cross multiply
    14,468,870.72x = 19,966,962.75 × 7,942,611.21
  4. Step 4: Simplify right side
    14,468,870.72x = 158,589,822,187,658.97
  5. Step 5: Solve for x
    x = 158,589,822,187,658.97/14,468,870.72
  6. Step 6: Final answer
    x = 10,960,760.19

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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.