Home / 21,270,453.32-29,353,075.86-11,612,661.32

Finding the Fourth Proportional to 21,270,453.32, 29,353,075.86 and 11,612,661.32

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Solution

The fourth proportional to 21,270,453.32, 29,353,075.86 and 11,612,661.32 is: 16,025,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,270,453.32 : 29,353,075.86 = 11,612,661.32 : x
  2. Step 2: Convert to fraction form
    21,270,453.32/29,353,075.86 = 11,612,661.32/x
  3. Step 3: Cross multiply
    21,270,453.32x = 29,353,075.86 × 11,612,661.32
  4. Step 4: Simplify right side
    21,270,453.32x = 340,867,328,662,447.75
  5. Step 5: Solve for x
    x = 340,867,328,662,447.75/21,270,453.32
  6. Step 6: Final answer
    x = 16,025,390.88

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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.