Home / 5,388,070.30-8,082,105.45-4,803,485.20

Finding the Fourth Proportional to 5,388,070.30, 8,082,105.45 and 4,803,485.20

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Solution

The fourth proportional to 5,388,070.30, 8,082,105.45 and 4,803,485.20 is: 7,205,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,070.30 : 8,082,105.45 = 4,803,485.20 : x
  2. Step 2: Convert to fraction form
    5,388,070.30/8,082,105.45 = 4,803,485.20/x
  3. Step 3: Cross multiply
    5,388,070.30x = 8,082,105.45 × 4,803,485.20
  4. Step 4: Simplify right side
    5,388,070.30x = 38,822,273,913,914.34
  5. Step 5: Solve for x
    x = 38,822,273,913,914.34/5,388,070.30
  6. Step 6: Final answer
    x = 7,205,227.80

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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.