Home / 8,315,379.72-12,470,904.45-3,520,600.92

Finding the Fourth Proportional to 8,315,379.72, 12,470,904.45 and 3,520,600.92

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Solution

The fourth proportional to 8,315,379.72, 12,470,904.45 and 3,520,600.92 is: 5,279,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,379.72 : 12,470,904.45 = 3,520,600.92 : x
  2. Step 2: Convert to fraction form
    8,315,379.72/12,470,904.45 = 3,520,600.92/x
  3. Step 3: Cross multiply
    8,315,379.72x = 12,470,904.45 × 3,520,600.92
  4. Step 4: Simplify right side
    8,315,379.72x = 43,905,077,679,902.09
  5. Step 5: Solve for x
    x = 43,905,077,679,902.09/8,315,379.72
  6. Step 6: Final answer
    x = 5,279,984.70

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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.