Home / 13,620,034.08-20,433,040.02-4,036,162.68

Finding the Fourth Proportional to 13,620,034.08, 20,433,040.02 and 4,036,162.68

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Solution

The fourth proportional to 13,620,034.08, 20,433,040.02 and 4,036,162.68 is: 6,055,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,034.08 : 20,433,040.02 = 4,036,162.68 : x
  2. Step 2: Convert to fraction form
    13,620,034.08/20,433,040.02 = 4,036,162.68/x
  3. Step 3: Cross multiply
    13,620,034.08x = 20,433,040.02 × 4,036,162.68
  4. Step 4: Simplify right side
    13,620,034.08x = 82,471,073,567,670.45
  5. Step 5: Solve for x
    x = 82,471,073,567,670.45/13,620,034.08
  6. Step 6: Final answer
    x = 6,055,129.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.