Home / 7,120,537.95-10,680,022.98-2,003,130.48

Finding the Fourth Proportional to 7,120,537.95, 10,680,022.98 and 2,003,130.48

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Solution

The fourth proportional to 7,120,537.95, 10,680,022.98 and 2,003,130.48 is: 3,004,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,537.95 : 10,680,022.98 = 2,003,130.48 : x
  2. Step 2: Convert to fraction form
    7,120,537.95/10,680,022.98 = 2,003,130.48/x
  3. Step 3: Cross multiply
    7,120,537.95x = 10,680,022.98 × 2,003,130.48
  4. Step 4: Simplify right side
    7,120,537.95x = 21,393,479,558,338.43
  5. Step 5: Solve for x
    x = 21,393,479,558,338.43/7,120,537.95
  6. Step 6: Final answer
    x = 3,004,475.18

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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.