Home / 15,485,189.46-21,370,110.26-8,516,405.80

Finding the Fourth Proportional to 15,485,189.46, 21,370,110.26 and 8,516,405.80

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Solution

The fourth proportional to 15,485,189.46, 21,370,110.26 and 8,516,405.80 is: 11,752,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,189.46 : 21,370,110.26 = 8,516,405.80 : x
  2. Step 2: Convert to fraction form
    15,485,189.46/21,370,110.26 = 8,516,405.80/x
  3. Step 3: Cross multiply
    15,485,189.46x = 21,370,110.26 × 8,516,405.80
  4. Step 4: Simplify right side
    15,485,189.46x = 181,996,530,964,903.53
  5. Step 5: Solve for x
    x = 181,996,530,964,903.53/15,485,189.46
  6. Step 6: Final answer
    x = 11,752,941.83

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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.