Home / 9,164,707.79-12,645,890.84-5,296,481.91

Finding the Fourth Proportional to 9,164,707.79, 12,645,890.84 and 5,296,481.91

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Solution

The fourth proportional to 9,164,707.79, 12,645,890.84 and 5,296,481.91 is: 7,308,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164,707.79 : 12,645,890.84 = 5,296,481.91 : x
  2. Step 2: Convert to fraction form
    9,164,707.79/12,645,890.84 = 5,296,481.91/x
  3. Step 3: Cross multiply
    9,164,707.79x = 12,645,890.84 × 5,296,481.91
  4. Step 4: Simplify right side
    9,164,707.79x = 66,978,732,083,135.91
  5. Step 5: Solve for x
    x = 66,978,732,083,135.91/9,164,707.79
  6. Step 6: Final answer
    x = 7,308,332.54

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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.