Home / 7,670,199.15-10,576,291.86-6,270,391.78

Finding the Fourth Proportional to 7,670,199.15, 10,576,291.86 and 6,270,391.78

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Solution

The fourth proportional to 7,670,199.15, 10,576,291.86 and 6,270,391.78 is: 8,646,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670,199.15 : 10,576,291.86 = 6,270,391.78 : x
  2. Step 2: Convert to fraction form
    7,670,199.15/10,576,291.86 = 6,270,391.78/x
  3. Step 3: Cross multiply
    7,670,199.15x = 10,576,291.86 × 6,270,391.78
  4. Step 4: Simplify right side
    7,670,199.15x = 66,317,493,515,384.18
  5. Step 5: Solve for x
    x = 66,317,493,515,384.18/7,670,199.15
  6. Step 6: Final answer
    x = 8,646,124.07

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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.