Home / 12,096,413.70-18,144,620.55-11,172,624.90

Finding the Fourth Proportional to 12,096,413.70, 18,144,620.55 and 11,172,624.90

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Solution

The fourth proportional to 12,096,413.70, 18,144,620.55 and 11,172,624.90 is: 16,758,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,413.70 : 18,144,620.55 = 11,172,624.90 : x
  2. Step 2: Convert to fraction form
    12,096,413.70/18,144,620.55 = 11,172,624.90/x
  3. Step 3: Cross multiply
    12,096,413.70x = 18,144,620.55 × 11,172,624.90
  4. Step 4: Simplify right side
    12,096,413.70x = 202,723,039,357,981.72
  5. Step 5: Solve for x
    x = 202,723,039,357,981.72/12,096,413.70
  6. Step 6: Final answer
    x = 16,758,937.35

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Similar ratio
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1.5x scale

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.