Home / 28,384,579.01-39,170,734.71-15,331,837.92

Finding the Fourth Proportional to 28,384,579.01, 39,170,734.71 and 15,331,837.92

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Solution

The fourth proportional to 28,384,579.01, 39,170,734.71 and 15,331,837.92 is: 21,157,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384,579.01 : 39,170,734.71 = 15,331,837.92 : x
  2. Step 2: Convert to fraction form
    28,384,579.01/39,170,734.71 = 15,331,837.92/x
  3. Step 3: Cross multiply
    28,384,579.01x = 39,170,734.71 × 15,331,837.92
  4. Step 4: Simplify right side
    28,384,579.01x = 600,559,355,576,653.50
  5. Step 5: Solve for x
    x = 600,559,355,576,653.50/28,384,579.01
  6. Step 6: Final answer
    x = 21,157,944.79

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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.