Home / 18,558,903.60-25,611,231.60-10,300,209.84

Finding the Fourth Proportional to 18,558,903.60, 25,611,231.60 and 10,300,209.84

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Solution

The fourth proportional to 18,558,903.60, 25,611,231.60 and 10,300,209.84 is: 14,214,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558,903.60 : 25,611,231.60 = 10,300,209.84 : x
  2. Step 2: Convert to fraction form
    18,558,903.60/25,611,231.60 = 10,300,209.84/x
  3. Step 3: Cross multiply
    18,558,903.60x = 25,611,231.60 × 10,300,209.84
  4. Step 4: Simplify right side
    18,558,903.60x = 263,801,059,740,838.97
  5. Step 5: Solve for x
    x = 263,801,059,740,838.97/18,558,903.60
  6. Step 6: Final answer
    x = 14,214,258.85

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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.