Home / 28,773,833.28-39,707,426.60-15,720,812.04

Finding the Fourth Proportional to 28,773,833.28, 39,707,426.60 and 15,720,812.04

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Solution

The fourth proportional to 28,773,833.28, 39,707,426.60 and 15,720,812.04 is: 21,694,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773,833.28 : 39,707,426.60 = 15,720,812.04 : x
  2. Step 2: Convert to fraction form
    28,773,833.28/39,707,426.60 = 15,720,812.04/x
  3. Step 3: Cross multiply
    28,773,833.28x = 39,707,426.60 × 15,720,812.04
  4. Step 4: Simplify right side
    28,773,833.28x = 624,232,990,170,696.25
  5. Step 5: Solve for x
    x = 624,232,990,170,696.25/28,773,833.28
  6. Step 6: Final answer
    x = 21,694,467.47

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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.