Home / 13,887,695.63-20,832,539.88-4,789,659.42

Finding the Fourth Proportional to 13,887,695.63, 20,832,539.88 and 4,789,659.42

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Solution

The fourth proportional to 13,887,695.63, 20,832,539.88 and 4,789,659.42 is: 7,184,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,695.63 : 20,832,539.88 = 4,789,659.42 : x
  2. Step 2: Convert to fraction form
    13,887,695.63/20,832,539.88 = 4,789,659.42/x
  3. Step 3: Cross multiply
    13,887,695.63x = 20,832,539.88 × 4,789,659.42
  4. Step 4: Simplify right side
    13,887,695.63x = 99,780,770,878,767.66
  5. Step 5: Solve for x
    x = 99,780,770,878,767.66/13,887,695.63
  6. Step 6: Final answer
    x = 7,184,832.79

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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.