Home / 6,605,128.90-9,898,362.15-4,885,855.30

Finding the Fourth Proportional to 6,605,128.90, 9,898,362.15 and 4,885,855.30

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Solution

The fourth proportional to 6,605,128.90, 9,898,362.15 and 4,885,855.30 is: 7,321,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,128.90 : 9,898,362.15 = 4,885,855.30 : x
  2. Step 2: Convert to fraction form
    6,605,128.90/9,898,362.15 = 4,885,855.30/x
  3. Step 3: Cross multiply
    6,605,128.90x = 9,898,362.15 × 4,885,855.30
  4. Step 4: Simplify right side
    6,605,128.90x = 48,361,965,171,896.90
  5. Step 5: Solve for x
    x = 48,361,965,171,896.90/6,605,128.90
  6. Step 6: Final answer
    x = 7,321,880.60

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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.