Home / 7,261,705.80-10,892,558.70-4,872,918.60

Finding the Fourth Proportional to 7,261,705.80, 10,892,558.70 and 4,872,918.60

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Solution

The fourth proportional to 7,261,705.80, 10,892,558.70 and 4,872,918.60 is: 7,309,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,705.80 : 10,892,558.70 = 4,872,918.60 : x
  2. Step 2: Convert to fraction form
    7,261,705.80/10,892,558.70 = 4,872,918.60/x
  3. Step 3: Cross multiply
    7,261,705.80x = 10,892,558.70 × 4,872,918.60
  4. Step 4: Simplify right side
    7,261,705.80x = 53,078,551,890,821.81
  5. Step 5: Solve for x
    x = 53,078,551,890,821.81/7,261,705.80
  6. Step 6: Final answer
    x = 7,309,377.90

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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.