Home / 15,383,420.26-21,235,656.83-9,585,066.81

Finding the Fourth Proportional to 15,383,420.26, 21,235,656.83 and 9,585,066.81

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Solution

The fourth proportional to 15,383,420.26, 21,235,656.83 and 9,585,066.81 is: 13,231,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,420.26 : 21,235,656.83 = 9,585,066.81 : x
  2. Step 2: Convert to fraction form
    15,383,420.26/21,235,656.83 = 9,585,066.81/x
  3. Step 3: Cross multiply
    15,383,420.26x = 21,235,656.83 × 9,585,066.81
  4. Step 4: Simplify right side
    15,383,420.26x = 203,545,189,469,782.81
  5. Step 5: Solve for x
    x = 203,545,189,469,782.81/15,383,420.26
  6. Step 6: Final answer
    x = 13,231,465.18

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1.5x scale

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.