Home / 12,726,518.04-19,092,765.96-4,206,854.21

Finding the Fourth Proportional to 12,726,518.04, 19,092,765.96 and 4,206,854.21

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Solution

The fourth proportional to 12,726,518.04, 19,092,765.96 and 4,206,854.21 is: 6,311,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,518.04 : 19,092,765.96 = 4,206,854.21 : x
  2. Step 2: Convert to fraction form
    12,726,518.04/19,092,765.96 = 4,206,854.21/x
  3. Step 3: Cross multiply
    12,726,518.04x = 19,092,765.96 × 4,206,854.21
  4. Step 4: Simplify right side
    12,726,518.04x = 80,320,482,763,906.86
  5. Step 5: Solve for x
    x = 80,320,482,763,906.86/12,726,518.04
  6. Step 6: Final answer
    x = 6,311,269.31

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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.