Home / 6,520,108.10-9,780,162.15-3,685,756.10

Finding the Fourth Proportional to 6,520,108.10, 9,780,162.15 and 3,685,756.10

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Solution

The fourth proportional to 6,520,108.10, 9,780,162.15 and 3,685,756.10 is: 5,528,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,108.10 : 9,780,162.15 = 3,685,756.10 : x
  2. Step 2: Convert to fraction form
    6,520,108.10/9,780,162.15 = 3,685,756.10/x
  3. Step 3: Cross multiply
    6,520,108.10x = 9,780,162.15 × 3,685,756.10
  4. Step 4: Simplify right side
    6,520,108.10x = 36,047,292,303,351.62
  5. Step 5: Solve for x
    x = 36,047,292,303,351.62/6,520,108.10
  6. Step 6: Final answer
    x = 5,528,634.15

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Double scale
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Similar ratio
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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.