Home / 27,658,280.45-38,167,426.49-15,268,107.76

Finding the Fourth Proportional to 27,658,280.45, 38,167,426.49 and 15,268,107.76

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Solution

The fourth proportional to 27,658,280.45, 38,167,426.49 and 15,268,107.76 is: 21,069,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658,280.45 : 38,167,426.49 = 15,268,107.76 : x
  2. Step 2: Convert to fraction form
    27,658,280.45/38,167,426.49 = 15,268,107.76/x
  3. Step 3: Cross multiply
    27,658,280.45x = 38,167,426.49 × 15,268,107.76
  4. Step 4: Simplify right side
    27,658,280.45x = 582,744,380,485,322.62
  5. Step 5: Solve for x
    x = 582,744,380,485,322.62/27,658,280.45
  6. Step 6: Final answer
    x = 21,069,436.38

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Double scale
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1.5x scale

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.