Home / 13,790,301.60-20,653,959.60-8,121,597.60

Finding the Fourth Proportional to 13,790,301.60, 20,653,959.60 and 8,121,597.60

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Solution

The fourth proportional to 13,790,301.60, 20,653,959.60 and 8,121,597.60 is: 12,163,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790,301.60 : 20,653,959.60 = 8,121,597.60 : x
  2. Step 2: Convert to fraction form
    13,790,301.60/20,653,959.60 = 8,121,597.60/x
  3. Step 3: Cross multiply
    13,790,301.60x = 20,653,959.60 × 8,121,597.60
  4. Step 4: Simplify right side
    13,790,301.60x = 167,743,148,717,856.97
  5. Step 5: Solve for x
    x = 167,743,148,717,856.97/13,790,301.60
  6. Step 6: Final answer
    x = 12,163,849.17

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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.