Home / 9,521,893.54-13,144,233.86-6,428,605.28

Finding the Fourth Proportional to 9,521,893.54, 13,144,233.86 and 6,428,605.28

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Solution

The fourth proportional to 9,521,893.54, 13,144,233.86 and 6,428,605.28 is: 8,874,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,893.54 : 13,144,233.86 = 6,428,605.28 : x
  2. Step 2: Convert to fraction form
    9,521,893.54/13,144,233.86 = 6,428,605.28/x
  3. Step 3: Cross multiply
    9,521,893.54x = 13,144,233.86 × 6,428,605.28
  4. Step 4: Simplify right side
    9,521,893.54x = 84,499,091,242,882.88
  5. Step 5: Solve for x
    x = 84,499,091,242,882.88/9,521,893.54
  6. Step 6: Final answer
    x = 8,874,189.88

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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.