Home / 18,193,189.61-25,108,803.29-10,354,607.78

Finding the Fourth Proportional to 18,193,189.61, 25,108,803.29 and 10,354,607.78

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Solution

The fourth proportional to 18,193,189.61, 25,108,803.29 and 10,354,607.78 is: 14,290,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193,189.61 : 25,108,803.29 = 10,354,607.78 : x
  2. Step 2: Convert to fraction form
    18,193,189.61/25,108,803.29 = 10,354,607.78/x
  3. Step 3: Cross multiply
    18,193,189.61x = 25,108,803.29 × 10,354,607.78
  4. Step 4: Simplify right side
    18,193,189.61x = 259,991,809,793,466.12
  5. Step 5: Solve for x
    x = 259,991,809,793,466.12/18,193,189.61
  6. Step 6: Final answer
    x = 14,290,611.78

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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.