Home / 28,746,173.58-39,670,321.23-15,693,982.62

Finding the Fourth Proportional to 28,746,173.58, 39,670,321.23 and 15,693,982.62

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Solution

The fourth proportional to 28,746,173.58, 39,670,321.23 and 15,693,982.62 is: 21,658,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746,173.58 : 39,670,321.23 = 15,693,982.62 : x
  2. Step 2: Convert to fraction form
    28,746,173.58/39,670,321.23 = 15,693,982.62/x
  3. Step 3: Cross multiply
    28,746,173.58x = 39,670,321.23 × 15,693,982.62
  4. Step 4: Simplify right side
    28,746,173.58x = 622,585,331,913,437
  5. Step 5: Solve for x
    x = 622,585,331,913,437/28,746,173.58
  6. Step 6: Final answer
    x = 21,658,024.51

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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.