Home / 7,135,927.70-10,689,376.35-4,431,953.30

Finding the Fourth Proportional to 7,135,927.70, 10,689,376.35 and 4,431,953.30

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Solution

The fourth proportional to 7,135,927.70, 10,689,376.35 and 4,431,953.30 is: 6,638,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,927.70 : 10,689,376.35 = 4,431,953.30 : x
  2. Step 2: Convert to fraction form
    7,135,927.70/10,689,376.35 = 4,431,953.30/x
  3. Step 3: Cross multiply
    7,135,927.70x = 10,689,376.35 × 4,431,953.30
  4. Step 4: Simplify right side
    7,135,927.70x = 47,374,816,789,324.45
  5. Step 5: Solve for x
    x = 47,374,816,789,324.45/7,135,927.70
  6. Step 6: Final answer
    x = 6,638,914.91

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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.