Home / 12,189,572.29-16,821,632.24-6,607,801.54

Finding the Fourth Proportional to 12,189,572.29, 16,821,632.24 and 6,607,801.54

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Solution

The fourth proportional to 12,189,572.29, 16,821,632.24 and 6,607,801.54 is: 9,118,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,572.29 : 16,821,632.24 = 6,607,801.54 : x
  2. Step 2: Convert to fraction form
    12,189,572.29/16,821,632.24 = 6,607,801.54/x
  3. Step 3: Cross multiply
    12,189,572.29x = 16,821,632.24 × 6,607,801.54
  4. Step 4: Simplify right side
    12,189,572.29x = 111,154,007,433,552.94
  5. Step 5: Solve for x
    x = 111,154,007,433,552.94/12,189,572.29
  6. Step 6: Final answer
    x = 9,118,778.31

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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.