Home / 9,521,640.34-13,143,885.69-6,428,353.30

Finding the Fourth Proportional to 9,521,640.34, 13,143,885.69 and 6,428,353.30

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Solution

The fourth proportional to 9,521,640.34, 13,143,885.69 and 6,428,353.30 is: 8,873,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,640.34 : 13,143,885.69 = 6,428,353.30 : x
  2. Step 2: Convert to fraction form
    9,521,640.34/13,143,885.69 = 6,428,353.30/x
  3. Step 3: Cross multiply
    9,521,640.34x = 13,143,885.69 × 6,428,353.30
  4. Step 4: Simplify right side
    9,521,640.34x = 84,493,540,950,134.27
  5. Step 5: Solve for x
    x = 84,493,540,950,134.27/9,521,640.34
  6. Step 6: Final answer
    x = 8,873,842.94

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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.