Home / 8,064,515.80-12,096,773.70-5,209,168.60

Finding the Fourth Proportional to 8,064,515.80, 12,096,773.70 and 5,209,168.60

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Solution

The fourth proportional to 8,064,515.80, 12,096,773.70 and 5,209,168.60 is: 7,813,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,515.80 : 12,096,773.70 = 5,209,168.60 : x
  2. Step 2: Convert to fraction form
    8,064,515.80/12,096,773.70 = 5,209,168.60/x
  3. Step 3: Cross multiply
    8,064,515.80x = 12,096,773.70 × 5,209,168.60
  4. Step 4: Simplify right side
    8,064,515.80x = 63,014,133,719,345.81
  5. Step 5: Solve for x
    x = 63,014,133,719,345.81/8,064,515.80
  6. Step 6: Final answer
    x = 7,813,752.90

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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.