Home / 13,269,194.76-18,304,465.32-9,132,043.24

Finding the Fourth Proportional to 13,269,194.76, 18,304,465.32 and 9,132,043.24

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Solution

The fourth proportional to 13,269,194.76, 18,304,465.32 and 9,132,043.24 is: 12,597,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,194.76 : 18,304,465.32 = 9,132,043.24 : x
  2. Step 2: Convert to fraction form
    13,269,194.76/18,304,465.32 = 9,132,043.24/x
  3. Step 3: Cross multiply
    13,269,194.76x = 18,304,465.32 × 9,132,043.24
  4. Step 4: Simplify right side
    13,269,194.76x = 167,157,168,787,320.44
  5. Step 5: Solve for x
    x = 167,157,168,787,320.44/13,269,194.76
  6. Step 6: Final answer
    x = 12,597,386.04

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Double scale
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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.