Home / 5,388,045.80-8,082,068.70-5,122,325.30

Finding the Fourth Proportional to 5,388,045.80, 8,082,068.70 and 5,122,325.30

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Solution

The fourth proportional to 5,388,045.80, 8,082,068.70 and 5,122,325.30 is: 7,683,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,045.80 : 8,082,068.70 = 5,122,325.30 : x
  2. Step 2: Convert to fraction form
    5,388,045.80/8,082,068.70 = 5,122,325.30/x
  3. Step 3: Cross multiply
    5,388,045.80x = 8,082,068.70 × 5,122,325.30
  4. Step 4: Simplify right side
    5,388,045.80x = 41,398,984,978,348.11
  5. Step 5: Solve for x
    x = 41,398,984,978,348.11/5,388,045.80
  6. Step 6: Final answer
    x = 7,683,487.95

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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.