Home / 28,965,906.60-43,448,859.90-15,528,978.60

Finding the Fourth Proportional to 28,965,906.60, 43,448,859.90 and 15,528,978.60

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Solution

The fourth proportional to 28,965,906.60, 43,448,859.90 and 15,528,978.60 is: 23,293,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,906.60 : 43,448,859.90 = 15,528,978.60 : x
  2. Step 2: Convert to fraction form
    28,965,906.60/43,448,859.90 = 15,528,978.60/x
  3. Step 3: Cross multiply
    28,965,906.60x = 43,448,859.90 × 15,528,978.60
  4. Step 4: Simplify right side
    28,965,906.60x = 674,716,415,581,498.12
  5. Step 5: Solve for x
    x = 674,716,415,581,498.12/28,965,906.60
  6. Step 6: Final answer
    x = 23,293,467.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.