Home / 21,842,090.26-30,142,724.11-11,919,612.31

Finding the Fourth Proportional to 21,842,090.26, 30,142,724.11 and 11,919,612.31

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Solution

The fourth proportional to 21,842,090.26, 30,142,724.11 and 11,919,612.31 is: 16,449,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,090.26 : 30,142,724.11 = 11,919,612.31 : x
  2. Step 2: Convert to fraction form
    21,842,090.26/30,142,724.11 = 11,919,612.31/x
  3. Step 3: Cross multiply
    21,842,090.26x = 30,142,724.11 × 11,919,612.31
  4. Step 4: Simplify right side
    21,842,090.26x = 359,289,585,253,333.94
  5. Step 5: Solve for x
    x = 359,289,585,253,333.94/21,842,090.26
  6. Step 6: Final answer
    x = 16,449,414.00

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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.