Home / 18,569,168.14-25,627,293.39-10,420,438.54

Finding the Fourth Proportional to 18,569,168.14, 25,627,293.39 and 10,420,438.54

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Solution

The fourth proportional to 18,569,168.14, 25,627,293.39 and 10,420,438.54 is: 14,381,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,168.14 : 25,627,293.39 = 10,420,438.54 : x
  2. Step 2: Convert to fraction form
    18,569,168.14/25,627,293.39 = 10,420,438.54/x
  3. Step 3: Cross multiply
    18,569,168.14x = 25,627,293.39 × 10,420,438.54
  4. Step 4: Simplify right side
    18,569,168.14x = 267,047,635,717,043.22
  5. Step 5: Solve for x
    x = 267,047,635,717,043.22/18,569,168.14
  6. Step 6: Final answer
    x = 14,381,238.50

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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.