Home / 12,805,220.62-17,671,075.86-7,004,115.64

Finding the Fourth Proportional to 12,805,220.62, 17,671,075.86 and 7,004,115.64

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Solution

The fourth proportional to 12,805,220.62, 17,671,075.86 and 7,004,115.64 is: 9,665,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,220.62 : 17,671,075.86 = 7,004,115.64 : x
  2. Step 2: Convert to fraction form
    12,805,220.62/17,671,075.86 = 7,004,115.64/x
  3. Step 3: Cross multiply
    12,805,220.62x = 17,671,075.86 × 7,004,115.64
  4. Step 4: Simplify right side
    12,805,220.62x = 123,770,258,806,652.44
  5. Step 5: Solve for x
    x = 123,770,258,806,652.44/12,805,220.62
  6. Step 6: Final answer
    x = 9,665,609.24

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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.