Home / 13,899,381.35-20,834,372.13-5,140,031.35

Finding the Fourth Proportional to 13,899,381.35, 20,834,372.13 and 5,140,031.35

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Solution

The fourth proportional to 13,899,381.35, 20,834,372.13 and 5,140,031.35 is: 7,704,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,381.35 : 20,834,372.13 = 5,140,031.35 : x
  2. Step 2: Convert to fraction form
    13,899,381.35/20,834,372.13 = 5,140,031.35/x
  3. Step 3: Cross multiply
    13,899,381.35x = 20,834,372.13 × 5,140,031.35
  4. Step 4: Simplify right side
    13,899,381.35x = 107,089,325,975,911.06
  5. Step 5: Solve for x
    x = 107,089,325,975,911.06/13,899,381.35
  6. Step 6: Final answer
    x = 7,704,610.97

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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.