Home / 20,650,776.54-28,494,773.91-11,483,485.98

Finding the Fourth Proportional to 20,650,776.54, 28,494,773.91 and 11,483,485.98

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Solution

The fourth proportional to 20,650,776.54, 28,494,773.91 and 11,483,485.98 is: 15,845,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,776.54 : 28,494,773.91 = 11,483,485.98 : x
  2. Step 2: Convert to fraction form
    20,650,776.54/28,494,773.91 = 11,483,485.98/x
  3. Step 3: Cross multiply
    20,650,776.54x = 28,494,773.91 × 11,483,485.98
  4. Step 4: Simplify right side
    20,650,776.54x = 327,219,336,698,754.81
  5. Step 5: Solve for x
    x = 327,219,336,698,754.81/20,650,776.54
  6. Step 6: Final answer
    x = 15,845,376.86

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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.