Home / 13,052,311.11-18,004,207.64-7,750,411.83

Finding the Fourth Proportional to 13,052,311.11, 18,004,207.64 and 7,750,411.83

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Solution

The fourth proportional to 13,052,311.11, 18,004,207.64 and 7,750,411.83 is: 10,690,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,311.11 : 18,004,207.64 = 7,750,411.83 : x
  2. Step 2: Convert to fraction form
    13,052,311.11/18,004,207.64 = 7,750,411.83/x
  3. Step 3: Cross multiply
    13,052,311.11x = 18,004,207.64 × 7,750,411.83
  4. Step 4: Simplify right side
    13,052,311.11x = 139,540,023,844,080.34
  5. Step 5: Solve for x
    x = 139,540,023,844,080.34/13,052,311.11
  6. Step 6: Final answer
    x = 10,690,828.82

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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.