Home / 13,409,868.70-20,114,803.05-5,324,772.70

Finding the Fourth Proportional to 13,409,868.70, 20,114,803.05 and 5,324,772.70

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Solution

The fourth proportional to 13,409,868.70, 20,114,803.05 and 5,324,772.70 is: 7,987,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,868.70 : 20,114,803.05 = 5,324,772.70 : x
  2. Step 2: Convert to fraction form
    13,409,868.70/20,114,803.05 = 5,324,772.70/x
  3. Step 3: Cross multiply
    13,409,868.70x = 20,114,803.05 × 5,324,772.70
  4. Step 4: Simplify right side
    13,409,868.70x = 107,106,754,146,516.75
  5. Step 5: Solve for x
    x = 107,106,754,146,516.75/13,409,868.70
  6. Step 6: Final answer
    x = 7,987,159.05

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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.