Home / 18,477,481.96-25,486,273.38-12,047,663.08

Finding the Fourth Proportional to 18,477,481.96, 25,486,273.38 and 12,047,663.08

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Solution

The fourth proportional to 18,477,481.96, 25,486,273.38 and 12,047,663.08 is: 16,617,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,481.96 : 25,486,273.38 = 12,047,663.08 : x
  2. Step 2: Convert to fraction form
    18,477,481.96/25,486,273.38 = 12,047,663.08/x
  3. Step 3: Cross multiply
    18,477,481.96x = 25,486,273.38 × 12,047,663.08
  4. Step 4: Simplify right side
    18,477,481.96x = 307,050,034,847,012.81
  5. Step 5: Solve for x
    x = 307,050,034,847,012.81/18,477,481.96
  6. Step 6: Final answer
    x = 16,617,525.89

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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.