Home / 12,950,179.52-17,870,779.37-7,148,836.71

Finding the Fourth Proportional to 12,950,179.52, 17,870,779.37 and 7,148,836.71

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Solution

The fourth proportional to 12,950,179.52, 17,870,779.37 and 7,148,836.71 is: 9,865,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,179.52 : 17,870,779.37 = 7,148,836.71 : x
  2. Step 2: Convert to fraction form
    12,950,179.52/17,870,779.37 = 7,148,836.71/x
  3. Step 3: Cross multiply
    12,950,179.52x = 17,870,779.37 × 7,148,836.71
  4. Step 4: Simplify right side
    12,950,179.52x = 127,755,283,614,438.75
  5. Step 5: Solve for x
    x = 127,755,283,614,438.75/12,950,179.52
  6. Step 6: Final answer
    x = 9,865,136.11

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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.