Home / 20,467,342.26-28,247,409.12-11,648,937.69

Finding the Fourth Proportional to 20,467,342.26, 28,247,409.12 and 11,648,937.69

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Solution

The fourth proportional to 20,467,342.26, 28,247,409.12 and 11,648,937.69 is: 16,076,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,342.26 : 28,247,409.12 = 11,648,937.69 : x
  2. Step 2: Convert to fraction form
    20,467,342.26/28,247,409.12 = 11,648,937.69/x
  3. Step 3: Cross multiply
    20,467,342.26x = 28,247,409.12 × 11,648,937.69
  4. Step 4: Simplify right side
    20,467,342.26x = 329,052,308,860,118.56
  5. Step 5: Solve for x
    x = 329,052,308,860,118.56/20,467,342.26
  6. Step 6: Final answer
    x = 16,076,943.68

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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.