Home / 20,713,409.07-31,068,987.35-6,336,476.88

Finding the Fourth Proportional to 20,713,409.07, 31,068,987.35 and 6,336,476.88

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Solution

The fourth proportional to 20,713,409.07, 31,068,987.35 and 6,336,476.88 is: 9,504,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713,409.07 : 31,068,987.35 = 6,336,476.88 : x
  2. Step 2: Convert to fraction form
    20,713,409.07/31,068,987.35 = 6,336,476.88/x
  3. Step 3: Cross multiply
    20,713,409.07x = 31,068,987.35 × 6,336,476.88
  4. Step 4: Simplify right side
    20,713,409.07x = 196,867,920,142,240.97
  5. Step 5: Solve for x
    x = 196,867,920,142,240.97/20,713,409.07
  6. Step 6: Final answer
    x = 9,504,370.79

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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.