Home / 28,774,002.06-39,707,653.14-15,720,980.04

Finding the Fourth Proportional to 28,774,002.06, 39,707,653.14 and 15,720,980.04

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Solution

The fourth proportional to 28,774,002.06, 39,707,653.14 and 15,720,980.04 is: 21,694,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,002.06 : 39,707,653.14 = 15,720,980.04 : x
  2. Step 2: Convert to fraction form
    28,774,002.06/39,707,653.14 = 15,720,980.04/x
  3. Step 3: Cross multiply
    28,774,002.06x = 39,707,653.14 × 15,720,980.04
  4. Step 4: Simplify right side
    28,774,002.06x = 624,243,222,449,183.25
  5. Step 5: Solve for x
    x = 624,243,222,449,183.25/28,774,002.06
  6. Step 6: Final answer
    x = 21,694,695.83

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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.