Home / 13,626,170.55-20,431,023.12-5,430,073.32

Finding the Fourth Proportional to 13,626,170.55, 20,431,023.12 and 5,430,073.32

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Solution

The fourth proportional to 13,626,170.55, 20,431,023.12 and 5,430,073.32 is: 8,141,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,170.55 : 20,431,023.12 = 5,430,073.32 : x
  2. Step 2: Convert to fraction form
    13,626,170.55/20,431,023.12 = 5,430,073.32/x
  3. Step 3: Cross multiply
    13,626,170.55x = 20,431,023.12 × 5,430,073.32
  4. Step 4: Simplify right side
    13,626,170.55x = 110,941,953,544,215.17
  5. Step 5: Solve for x
    x = 110,941,953,544,215.17/13,626,170.55
  6. Step 6: Final answer
    x = 8,141,829.22

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1.5x scale

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.