Home / 9,915,665.83-13,683,890.19-5,565,021.82

Finding the Fourth Proportional to 9,915,665.83, 13,683,890.19 and 5,565,021.82

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Solution

The fourth proportional to 9,915,665.83, 13,683,890.19 and 5,565,021.82 is: 7,679,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915,665.83 : 13,683,890.19 = 5,565,021.82 : x
  2. Step 2: Convert to fraction form
    9,915,665.83/13,683,890.19 = 5,565,021.82/x
  3. Step 3: Cross multiply
    9,915,665.83x = 13,683,890.19 × 5,565,021.82
  4. Step 4: Simplify right side
    9,915,665.83x = 76,151,147,489,833.95
  5. Step 5: Solve for x
    x = 76,151,147,489,833.95/9,915,665.83
  6. Step 6: Final answer
    x = 7,679,882.40

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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.