Home / 12,329,708.40-18,494,562.60-6,661,004.40

Finding the Fourth Proportional to 12,329,708.40, 18,494,562.60 and 6,661,004.40

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Solution

The fourth proportional to 12,329,708.40, 18,494,562.60 and 6,661,004.40 is: 9,991,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329,708.40 : 18,494,562.60 = 6,661,004.40 : x
  2. Step 2: Convert to fraction form
    12,329,708.40/18,494,562.60 = 6,661,004.40/x
  3. Step 3: Cross multiply
    12,329,708.40x = 18,494,562.60 × 6,661,004.40
  4. Step 4: Simplify right side
    12,329,708.40x = 123,192,362,854,675.45
  5. Step 5: Solve for x
    x = 123,192,362,854,675.45/12,329,708.40
  6. Step 6: Final answer
    x = 9,991,506.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.