Home / 18,558,905.60-25,611,234.36-10,300,211.84

Finding the Fourth Proportional to 18,558,905.60, 25,611,234.36 and 10,300,211.84

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Solution

The fourth proportional to 18,558,905.60, 25,611,234.36 and 10,300,211.84 is: 14,214,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558,905.60 : 25,611,234.36 = 10,300,211.84 : x
  2. Step 2: Convert to fraction form
    18,558,905.60/25,611,234.36 = 10,300,211.84/x
  3. Step 3: Cross multiply
    18,558,905.60x = 25,611,234.36 × 10,300,211.84
  4. Step 4: Simplify right side
    18,558,905.60x = 263,801,139,391,886.81
  5. Step 5: Solve for x
    x = 263,801,139,391,886.81/18,558,905.60
  6. Step 6: Final answer
    x = 14,214,261.61

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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.