Home / 12,506,482.51-17,245,240.56-8,147,485.33

Finding the Fourth Proportional to 12,506,482.51, 17,245,240.56 and 8,147,485.33

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Solution

The fourth proportional to 12,506,482.51, 17,245,240.56 and 8,147,485.33 is: 11,234,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,482.51 : 17,245,240.56 = 8,147,485.33 : x
  2. Step 2: Convert to fraction form
    12,506,482.51/17,245,240.56 = 8,147,485.33/x
  3. Step 3: Cross multiply
    12,506,482.51x = 17,245,240.56 × 8,147,485.33
  4. Step 4: Simplify right side
    12,506,482.51x = 140,505,344,474,920.97
  5. Step 5: Solve for x
    x = 140,505,344,474,920.97/12,506,482.51
  6. Step 6: Final answer
    x = 11,234,601.28

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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.