Home / 18,214,923.88-25,134,166.02-11,697,381.64

Finding the Fourth Proportional to 18,214,923.88, 25,134,166.02 and 11,697,381.64

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Solution

The fourth proportional to 18,214,923.88, 25,134,166.02 and 11,697,381.64 is: 16,140,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,923.88 : 25,134,166.02 = 11,697,381.64 : x
  2. Step 2: Convert to fraction form
    18,214,923.88/25,134,166.02 = 11,697,381.64/x
  3. Step 3: Cross multiply
    18,214,923.88x = 25,134,166.02 × 11,697,381.64
  4. Step 4: Simplify right side
    18,214,923.88x = 294,003,932,139,059.88
  5. Step 5: Solve for x
    x = 294,003,932,139,059.88/18,214,923.88
  6. Step 6: Final answer
    x = 16,140,826.83

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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.