Home / 18,430,917.01-25,434,676.29-10,282,155.01

Finding the Fourth Proportional to 18,430,917.01, 25,434,676.29 and 10,282,155.01

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Solution

The fourth proportional to 18,430,917.01, 25,434,676.29 and 10,282,155.01 is: 14,189,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,917.01 : 25,434,676.29 = 10,282,155.01 : x
  2. Step 2: Convert to fraction form
    18,430,917.01/25,434,676.29 = 10,282,155.01/x
  3. Step 3: Cross multiply
    18,430,917.01x = 25,434,676.29 × 10,282,155.01
  4. Step 4: Simplify right side
    18,430,917.01x = 261,523,284,242,951.69
  5. Step 5: Solve for x
    x = 261,523,284,242,951.69/18,430,917.01
  6. Step 6: Final answer
    x = 14,189,379.95

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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.