Home / 18,910,055.26-28,319,629.20-10,798,472.26

Finding the Fourth Proportional to 18,910,055.26, 28,319,629.20 and 10,798,472.26

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Solution

The fourth proportional to 18,910,055.26, 28,319,629.20 and 10,798,472.26 is: 16,171,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910,055.26 : 28,319,629.20 = 10,798,472.26 : x
  2. Step 2: Convert to fraction form
    18,910,055.26/28,319,629.20 = 10,798,472.26/x
  3. Step 3: Cross multiply
    18,910,055.26x = 28,319,629.20 × 10,798,472.26
  4. Step 4: Simplify right side
    18,910,055.26x = 305,808,730,329,686
  5. Step 5: Solve for x
    x = 305,808,730,329,686/18,910,055.26
  6. Step 6: Final answer
    x = 16,171,752.34

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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.