Home / 28,425,446.98-39,227,234.22-15,372,705.62

Finding the Fourth Proportional to 28,425,446.98, 39,227,234.22 and 15,372,705.62

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Solution

The fourth proportional to 28,425,446.98, 39,227,234.22 and 15,372,705.62 is: 21,214,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425,446.98 : 39,227,234.22 = 15,372,705.62 : x
  2. Step 2: Convert to fraction form
    28,425,446.98/39,227,234.22 = 15,372,705.62/x
  3. Step 3: Cross multiply
    28,425,446.98x = 39,227,234.22 × 15,372,705.62
  4. Step 4: Simplify right side
    28,425,446.98x = 603,028,723,950,850.25
  5. Step 5: Solve for x
    x = 603,028,723,950,850.25/28,425,446.98
  6. Step 6: Final answer
    x = 21,214,397.24

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Double scale
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1.5x scale

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.