Home / 13,451,410.98-18,563,395.06-7,340,174.82

Finding the Fourth Proportional to 13,451,410.98, 18,563,395.06 and 7,340,174.82

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Solution

The fourth proportional to 13,451,410.98, 18,563,395.06 and 7,340,174.82 is: 10,129,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,410.98 : 18,563,395.06 = 7,340,174.82 : x
  2. Step 2: Convert to fraction form
    13,451,410.98/18,563,395.06 = 7,340,174.82/x
  3. Step 3: Cross multiply
    13,451,410.98x = 18,563,395.06 × 7,340,174.82
  4. Step 4: Simplify right side
    13,451,410.98x = 136,258,564,993,124.39
  5. Step 5: Solve for x
    x = 136,258,564,993,124.39/13,451,410.98
  6. Step 6: Final answer
    x = 10,129,685.67

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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.