Home / 14,561,616.70-21,856,421.85-7,381,258.30

Finding the Fourth Proportional to 14,561,616.70, 21,856,421.85 and 7,381,258.30

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Solution

The fourth proportional to 14,561,616.70, 21,856,421.85 and 7,381,258.30 is: 11,078,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561,616.70 : 21,856,421.85 = 7,381,258.30 : x
  2. Step 2: Convert to fraction form
    14,561,616.70/21,856,421.85 = 7,381,258.30/x
  3. Step 3: Cross multiply
    14,561,616.70x = 21,856,421.85 × 7,381,258.30
  4. Step 4: Simplify right side
    14,561,616.70x = 161,327,895,188,613.88
  5. Step 5: Solve for x
    x = 161,327,895,188,613.88/14,561,616.70
  6. Step 6: Final answer
    x = 11,078,982.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.