Home / 13,707,120.08-20,561,699.64-4,121,731.28

Finding the Fourth Proportional to 13,707,120.08, 20,561,699.64 and 4,121,731.28

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Solution

The fourth proportional to 13,707,120.08, 20,561,699.64 and 4,121,731.28 is: 6,182,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707,120.08 : 20,561,699.64 = 4,121,731.28 : x
  2. Step 2: Convert to fraction form
    13,707,120.08/20,561,699.64 = 4,121,731.28/x
  3. Step 3: Cross multiply
    13,707,120.08x = 20,561,699.64 × 4,121,731.28
  4. Step 4: Simplify right side
    13,707,120.08x = 84,749,800,576,152.73
  5. Step 5: Solve for x
    x = 84,749,800,576,152.73/13,707,120.08
  6. Step 6: Final answer
    x = 6,182,903.49

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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.