Home / 13,401,157.03-20,103,977.67-10,522,407.71

Finding the Fourth Proportional to 13,401,157.03, 20,103,977.67 and 10,522,407.71

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Solution

The fourth proportional to 13,401,157.03, 20,103,977.67 and 10,522,407.71 is: 15,785,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,157.03 : 20,103,977.67 = 10,522,407.71 : x
  2. Step 2: Convert to fraction form
    13,401,157.03/20,103,977.67 = 10,522,407.71/x
  3. Step 3: Cross multiply
    13,401,157.03x = 20,103,977.67 × 10,522,407.71
  4. Step 4: Simplify right side
    13,401,157.03x = 211,542,249,686,735.81
  5. Step 5: Solve for x
    x = 211,542,249,686,735.81/13,401,157.03
  6. Step 6: Final answer
    x = 15,785,372.06

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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.