Home / 9,640,465.70-13,304,087.52-5,289,550.86

Finding the Fourth Proportional to 9,640,465.70, 13,304,087.52 and 5,289,550.86

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Solution

The fourth proportional to 9,640,465.70, 13,304,087.52 and 5,289,550.86 is: 7,299,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640,465.70 : 13,304,087.52 = 5,289,550.86 : x
  2. Step 2: Convert to fraction form
    9,640,465.70/13,304,087.52 = 5,289,550.86/x
  3. Step 3: Cross multiply
    9,640,465.70x = 13,304,087.52 × 5,289,550.86
  4. Step 4: Simplify right side
    9,640,465.70x = 70,372,647,582,931.27
  5. Step 5: Solve for x
    x = 70,372,647,582,931.27/9,640,465.70
  6. Step 6: Final answer
    x = 7,299,714.53

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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.