Home / 12,828,161.37-17,702,866.67-7,027,151.97

Finding the Fourth Proportional to 12,828,161.37, 17,702,866.67 and 7,027,151.97

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Solution

The fourth proportional to 12,828,161.37, 17,702,866.67 and 7,027,151.97 is: 9,697,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,161.37 : 17,702,866.67 = 7,027,151.97 : x
  2. Step 2: Convert to fraction form
    12,828,161.37/17,702,866.67 = 7,027,151.97/x
  3. Step 3: Cross multiply
    12,828,161.37x = 17,702,866.67 × 7,027,151.97
  4. Step 4: Simplify right side
    12,828,161.37x = 124,400,734,359,602.06
  5. Step 5: Solve for x
    x = 124,400,734,359,602.06/12,828,161.37
  6. Step 6: Final answer
    x = 9,697,471.90

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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.