Home / 28,117,541.67-38,805,797.24-15,728,323.33

Finding the Fourth Proportional to 28,117,541.67, 38,805,797.24 and 15,728,323.33

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Solution

The fourth proportional to 28,117,541.67, 38,805,797.24 and 15,728,323.33 is: 21,707,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117,541.67 : 38,805,797.24 = 15,728,323.33 : x
  2. Step 2: Convert to fraction form
    28,117,541.67/38,805,797.24 = 15,728,323.33/x
  3. Step 3: Cross multiply
    28,117,541.67x = 38,805,797.24 × 15,728,323.33
  4. Step 4: Simplify right side
    28,117,541.67x = 610,350,126,069,141.62
  5. Step 5: Solve for x
    x = 610,350,126,069,141.62/28,117,541.67
  6. Step 6: Final answer
    x = 21,707,094.21

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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.