Home / 6,416,999.70-9,625,499.55-5,157,287.70

Finding the Fourth Proportional to 6,416,999.70, 9,625,499.55 and 5,157,287.70

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Solution

The fourth proportional to 6,416,999.70, 9,625,499.55 and 5,157,287.70 is: 7,735,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416,999.70 : 9,625,499.55 = 5,157,287.70 : x
  2. Step 2: Convert to fraction form
    6,416,999.70/9,625,499.55 = 5,157,287.70/x
  3. Step 3: Cross multiply
    6,416,999.70x = 9,625,499.55 × 5,157,287.70
  4. Step 4: Simplify right side
    6,416,999.70x = 49,641,470,435,570.54
  5. Step 5: Solve for x
    x = 49,641,470,435,570.54/6,416,999.70
  6. Step 6: Final answer
    x = 7,735,931.55

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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.