Home / 10,393,609.85-15,590,152.33-2,820,378.77

Finding the Fourth Proportional to 10,393,609.85, 15,590,152.33 and 2,820,378.77

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Solution

The fourth proportional to 10,393,609.85, 15,590,152.33 and 2,820,378.77 is: 4,230,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393,609.85 : 15,590,152.33 = 2,820,378.77 : x
  2. Step 2: Convert to fraction form
    10,393,609.85/15,590,152.33 = 2,820,378.77/x
  3. Step 3: Cross multiply
    10,393,609.85x = 15,590,152.33 × 2,820,378.77
  4. Step 4: Simplify right side
    10,393,609.85x = 43,970,134,567,596.33
  5. Step 5: Solve for x
    x = 43,970,134,567,596.33/10,393,609.85
  6. Step 6: Final answer
    x = 4,230,496.93

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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.