Home / 28,688,410.39-39,588,851.50-15,635,388.37

Finding the Fourth Proportional to 28,688,410.39, 39,588,851.50 and 15,635,388.37

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Solution

The fourth proportional to 28,688,410.39, 39,588,851.50 and 15,635,388.37 is: 21,576,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688,410.39 : 39,588,851.50 = 15,635,388.37 : x
  2. Step 2: Convert to fraction form
    28,688,410.39/39,588,851.50 = 15,635,388.37/x
  3. Step 3: Cross multiply
    28,688,410.39x = 39,588,851.50 × 15,635,388.37
  4. Step 4: Simplify right side
    28,688,410.39x = 618,987,068,324,757
  5. Step 5: Solve for x
    x = 618,987,068,324,757/28,688,410.39
  6. Step 6: Final answer
    x = 21,576,206.56

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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.