Home / 12,578,124.80-18,850,857.60-5,832,185.60

Finding the Fourth Proportional to 12,578,124.80, 18,850,857.60 and 5,832,185.60

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Solution

The fourth proportional to 12,578,124.80, 18,850,857.60 and 5,832,185.60 is: 8,740,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,124.80 : 18,850,857.60 = 5,832,185.60 : x
  2. Step 2: Convert to fraction form
    12,578,124.80/18,850,857.60 = 5,832,185.60/x
  3. Step 3: Cross multiply
    12,578,124.80x = 18,850,857.60 × 5,832,185.60
  4. Step 4: Simplify right side
    12,578,124.80x = 109,941,700,242,370.56
  5. Step 5: Solve for x
    x = 109,941,700,242,370.56/12,578,124.80
  6. Step 6: Final answer
    x = 8,740,706.74

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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.