Home / 22,143,391.69-30,557,899.68-12,353,837.87

Finding the Fourth Proportional to 22,143,391.69, 30,557,899.68 and 12,353,837.87

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Solution

The fourth proportional to 22,143,391.69, 30,557,899.68 and 12,353,837.87 is: 17,048,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,391.69 : 30,557,899.68 = 12,353,837.87 : x
  2. Step 2: Convert to fraction form
    22,143,391.69/30,557,899.68 = 12,353,837.87/x
  3. Step 3: Cross multiply
    22,143,391.69x = 30,557,899.68 × 12,353,837.87
  4. Step 4: Simplify right side
    22,143,391.69x = 377,507,338,294,444.88
  5. Step 5: Solve for x
    x = 377,507,338,294,444.88/22,143,391.69
  6. Step 6: Final answer
    x = 17,048,306.94

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1.5x scale

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.