Home / 18,737,101.80-28,116,150.30-7,952,567.40

Finding the Fourth Proportional to 18,737,101.80, 28,116,150.30 and 7,952,567.40

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Solution

The fourth proportional to 18,737,101.80, 28,116,150.30 and 7,952,567.40 is: 11,933,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,101.80 : 28,116,150.30 = 7,952,567.40 : x
  2. Step 2: Convert to fraction form
    18,737,101.80/28,116,150.30 = 7,952,567.40/x
  3. Step 3: Cross multiply
    18,737,101.80x = 28,116,150.30 × 7,952,567.40
  4. Step 4: Simplify right side
    18,737,101.80x = 223,595,580,289,280.25
  5. Step 5: Solve for x
    x = 223,595,580,289,280.25/18,737,101.80
  6. Step 6: Final answer
    x = 11,933,306.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.