Home / 18,282,605.81-27,415,935.96-6,915,082.82

Finding the Fourth Proportional to 18,282,605.81, 27,415,935.96 and 6,915,082.82

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Solution

The fourth proportional to 18,282,605.81, 27,415,935.96 and 6,915,082.82 is: 10,369,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282,605.81 : 27,415,935.96 = 6,915,082.82 : x
  2. Step 2: Convert to fraction form
    18,282,605.81/27,415,935.96 = 6,915,082.82/x
  3. Step 3: Cross multiply
    18,282,605.81x = 27,415,935.96 × 6,915,082.82
  4. Step 4: Simplify right side
    18,282,605.81x = 189,583,467,675,041.78
  5. Step 5: Solve for x
    x = 189,583,467,675,041.78/18,282,605.81
  6. Step 6: Final answer
    x = 10,369,608.67

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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.