Home / 28,965,906.10-43,448,859.15-15,528,978.10

Finding the Fourth Proportional to 28,965,906.10, 43,448,859.15 and 15,528,978.10

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Solution

The fourth proportional to 28,965,906.10, 43,448,859.15 and 15,528,978.10 is: 23,293,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,906.10 : 43,448,859.15 = 15,528,978.10 : x
  2. Step 2: Convert to fraction form
    28,965,906.10/43,448,859.15 = 15,528,978.10/x
  3. Step 3: Cross multiply
    28,965,906.10x = 43,448,859.15 × 15,528,978.10
  4. Step 4: Simplify right side
    28,965,906.10x = 674,716,382,210,334.62
  5. Step 5: Solve for x
    x = 674,716,382,210,334.62/28,965,906.10
  6. Step 6: Final answer
    x = 23,293,467.15

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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.