Home / 13,529,606.86-20,267,371.68-8,135,303.32

Finding the Fourth Proportional to 13,529,606.86, 20,267,371.68 and 8,135,303.32

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Solution

The fourth proportional to 13,529,606.86, 20,267,371.68 and 8,135,303.32 is: 12,186,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,606.86 : 20,267,371.68 = 8,135,303.32 : x
  2. Step 2: Convert to fraction form
    13,529,606.86/20,267,371.68 = 8,135,303.32/x
  3. Step 3: Cross multiply
    13,529,606.86x = 20,267,371.68 × 8,135,303.32
  4. Step 4: Simplify right side
    13,529,606.86x = 164,881,216,115,977.97
  5. Step 5: Solve for x
    x = 164,881,216,115,977.97/13,529,606.86
  6. Step 6: Final answer
    x = 12,186,696.76

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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.