Home / 14,156,765.14-21,131,797.95-12,147,918.16

Finding the Fourth Proportional to 14,156,765.14, 21,131,797.95 and 12,147,918.16

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Solution

The fourth proportional to 14,156,765.14, 21,131,797.95 and 12,147,918.16 is: 18,133,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,765.14 : 21,131,797.95 = 12,147,918.16 : x
  2. Step 2: Convert to fraction form
    14,156,765.14/21,131,797.95 = 12,147,918.16/x
  3. Step 3: Cross multiply
    14,156,765.14x = 21,131,797.95 × 12,147,918.16
  4. Step 4: Simplify right side
    14,156,765.14x = 256,707,352,070,255.78
  5. Step 5: Solve for x
    x = 256,707,352,070,255.78/14,156,765.14
  6. Step 6: Final answer
    x = 18,133,192.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.