Home / 7,021,640.20-10,532,460.30-6,209,825.80

Finding the Fourth Proportional to 7,021,640.20, 10,532,460.30 and 6,209,825.80

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Solution

The fourth proportional to 7,021,640.20, 10,532,460.30 and 6,209,825.80 is: 9,314,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,640.20 : 10,532,460.30 = 6,209,825.80 : x
  2. Step 2: Convert to fraction form
    7,021,640.20/10,532,460.30 = 6,209,825.80/x
  3. Step 3: Cross multiply
    7,021,640.20x = 10,532,460.30 × 6,209,825.80
  4. Step 4: Simplify right side
    7,021,640.20x = 65,404,743,708,415.74
  5. Step 5: Solve for x
    x = 65,404,743,708,415.74/7,021,640.20
  6. Step 6: Final answer
    x = 9,314,738.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.