Home / 20,286,797,027.07-27,984,148,512.88-12,652,589,004.48

Finding the Fourth Proportional to 20,286,797,027.07, 27,984,148,512.88 and 12,652,589,004.48

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Solution

The fourth proportional to 20,286,797,027.07, 27,984,148,512.88 and 12,652,589,004.48 is: 17,453,318,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,797,027.07 : 27,984,148,512.88 = 12,652,589,004.48 : x
  2. Step 2: Convert to fraction form
    20,286,797,027.07/27,984,148,512.88 = 12,652,589,004.48/x
  3. Step 3: Cross multiply
    20,286,797,027.07x = 27,984,148,512.88 × 12,652,589,004.48
  4. Step 4: Simplify right side
    20,286,797,027.07x = 354,071,929,773,910,065,152
  5. Step 5: Solve for x
    x = 354,071,929,773,910,065,152/20,286,797,027.07
  6. Step 6: Final answer
    x = 17,453,318,495.84

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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.