Home / 4,785,136.40-7,181,621.40-4,747,811.60

Finding the Fourth Proportional to 4,785,136.40, 7,181,621.40 and 4,747,811.60

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Solution

The fourth proportional to 4,785,136.40, 7,181,621.40 and 4,747,811.60 is: 7,125,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,136.40 : 7,181,621.40 = 4,747,811.60 : x
  2. Step 2: Convert to fraction form
    4,785,136.40/7,181,621.40 = 4,747,811.60/x
  3. Step 3: Cross multiply
    4,785,136.40x = 7,181,621.40 × 4,747,811.60
  4. Step 4: Simplify right side
    4,785,136.40x = 34,096,985,389,728.24
  5. Step 5: Solve for x
    x = 34,096,985,389,728.24/4,785,136.40
  6. Step 6: Final answer
    x = 7,125,603.65

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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.