Home / 12,421,155.56-18,632,477.32-3,901,491.72

Finding the Fourth Proportional to 12,421,155.56, 18,632,477.32 and 3,901,491.72

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Solution

The fourth proportional to 12,421,155.56, 18,632,477.32 and 3,901,491.72 is: 5,852,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421,155.56 : 18,632,477.32 = 3,901,491.72 : x
  2. Step 2: Convert to fraction form
    12,421,155.56/18,632,477.32 = 3,901,491.72/x
  3. Step 3: Cross multiply
    12,421,155.56x = 18,632,477.32 × 3,901,491.72
  4. Step 4: Simplify right side
    12,421,155.56x = 72,694,455,987,067.80
  5. Step 5: Solve for x
    x = 72,694,455,987,067.80/12,421,155.56
  6. Step 6: Final answer
    x = 5,852,471.26

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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.