Home / 13,622,767.11-18,803,974.14-8,117,868.81

Finding the Fourth Proportional to 13,622,767.11, 18,803,974.14 and 8,117,868.81

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Solution

The fourth proportional to 13,622,767.11, 18,803,974.14 and 8,117,868.81 is: 11,205,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,767.11 : 18,803,974.14 = 8,117,868.81 : x
  2. Step 2: Convert to fraction form
    13,622,767.11/18,803,974.14 = 8,117,868.81/x
  3. Step 3: Cross multiply
    13,622,767.11x = 18,803,974.14 × 8,117,868.81
  4. Step 4: Simplify right side
    13,622,767.11x = 152,648,195,175,152.56
  5. Step 5: Solve for x
    x = 152,648,195,175,152.56/13,622,767.11
  6. Step 6: Final answer
    x = 11,205,373.62

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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.