Home / 19,180,920.23-28,767,913.94-5,530,710.52

Finding the Fourth Proportional to 19,180,920.23, 28,767,913.94 and 5,530,710.52

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Solution

The fourth proportional to 19,180,920.23, 28,767,913.94 and 5,530,710.52 is: 8,295,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180,920.23 : 28,767,913.94 = 5,530,710.52 : x
  2. Step 2: Convert to fraction form
    19,180,920.23/28,767,913.94 = 5,530,710.52/x
  3. Step 3: Cross multiply
    19,180,920.23x = 28,767,913.94 × 5,530,710.52
  4. Step 4: Simplify right side
    19,180,920.23x = 159,107,004,208,319.62
  5. Step 5: Solve for x
    x = 159,107,004,208,319.62/19,180,920.23
  6. Step 6: Final answer
    x = 8,295,066.26

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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.