Home / 7,045,623.84-9,722,795.89-4,145,201.20

Finding the Fourth Proportional to 7,045,623.84, 9,722,795.89 and 4,145,201.20

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Solution

The fourth proportional to 7,045,623.84, 9,722,795.89 and 4,145,201.20 is: 5,720,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,623.84 : 9,722,795.89 = 4,145,201.20 : x
  2. Step 2: Convert to fraction form
    7,045,623.84/9,722,795.89 = 4,145,201.20/x
  3. Step 3: Cross multiply
    7,045,623.84x = 9,722,795.89 × 4,145,201.20
  4. Step 4: Simplify right side
    7,045,623.84x = 40,302,945,190,583.07
  5. Step 5: Solve for x
    x = 40,302,945,190,583.07/7,045,623.84
  6. Step 6: Final answer
    x = 5,720,280.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.