Home / 13,019,228.21-19,533,183.53-8,659,554.77

Finding the Fourth Proportional to 13,019,228.21, 19,533,183.53 and 8,659,554.77

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Solution

The fourth proportional to 13,019,228.21, 19,533,183.53 and 8,659,554.77 is: 12,992,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,228.21 : 19,533,183.53 = 8,659,554.77 : x
  2. Step 2: Convert to fraction form
    13,019,228.21/19,533,183.53 = 8,659,554.77/x
  3. Step 3: Cross multiply
    13,019,228.21x = 19,533,183.53 × 8,659,554.77
  4. Step 4: Simplify right side
    13,019,228.21x = 169,148,672,616,032.12
  5. Step 5: Solve for x
    x = 169,148,672,616,032.12/13,019,228.21
  6. Step 6: Final answer
    x = 12,992,219.65

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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.