Home / 18,792,049.65-28,188,074.48-12,729,685.65

Finding the Fourth Proportional to 18,792,049.65, 28,188,074.48 and 12,729,685.65

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Solution

The fourth proportional to 18,792,049.65, 28,188,074.48 and 12,729,685.65 is: 19,094,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,049.65 : 28,188,074.48 = 12,729,685.65 : x
  2. Step 2: Convert to fraction form
    18,792,049.65/28,188,074.48 = 12,729,685.65/x
  3. Step 3: Cross multiply
    18,792,049.65x = 28,188,074.48 × 12,729,685.65
  4. Step 4: Simplify right side
    18,792,049.65x = 358,825,327,145,538.81
  5. Step 5: Solve for x
    x = 358,825,327,145,538.81/18,792,049.65
  6. Step 6: Final answer
    x = 19,094,528.48

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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.