Home / 13,546,536-18,694,356.52-7,351,636.20

Finding the Fourth Proportional to 13,546,536, 18,694,356.52 and 7,351,636.20

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Solution

The fourth proportional to 13,546,536, 18,694,356.52 and 7,351,636.20 is: 10,145,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546,536 : 18,694,356.52 = 7,351,636.20 : x
  2. Step 2: Convert to fraction form
    13,546,536/18,694,356.52 = 7,351,636.20/x
  3. Step 3: Cross multiply
    13,546,536x = 18,694,356.52 × 7,351,636.20
  4. Step 4: Simplify right side
    13,546,536x = 137,434,108,128,138.03
  5. Step 5: Solve for x
    x = 137,434,108,128,138.03/13,546,536
  6. Step 6: Final answer
    x = 10,145,332.22

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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.