Home / 13,214,047.38-18,235,161.63-7,412,704.56

Finding the Fourth Proportional to 13,214,047.38, 18,235,161.63 and 7,412,704.56

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Solution

The fourth proportional to 13,214,047.38, 18,235,161.63 and 7,412,704.56 is: 10,229,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214,047.38 : 18,235,161.63 = 7,412,704.56 : x
  2. Step 2: Convert to fraction form
    13,214,047.38/18,235,161.63 = 7,412,704.56/x
  3. Step 3: Cross multiply
    13,214,047.38x = 18,235,161.63 × 7,412,704.56
  4. Step 4: Simplify right side
    13,214,047.38x = 135,171,865,767,038.02
  5. Step 5: Solve for x
    x = 135,171,865,767,038.02/13,214,047.38
  6. Step 6: Final answer
    x = 10,229,406.77

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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.