Home / 12,946,611.48-17,866,235.94-7,145,393.20

Finding the Fourth Proportional to 12,946,611.48, 17,866,235.94 and 7,145,393.20

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Solution

The fourth proportional to 12,946,611.48, 17,866,235.94 and 7,145,393.20 is: 9,860,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,611.48 : 17,866,235.94 = 7,145,393.20 : x
  2. Step 2: Convert to fraction form
    12,946,611.48/17,866,235.94 = 7,145,393.20/x
  3. Step 3: Cross multiply
    12,946,611.48x = 17,866,235.94 × 7,145,393.20
  4. Step 4: Simplify right side
    12,946,611.48x = 127,661,280,795,271.62
  5. Step 5: Solve for x
    x = 127,661,280,795,271.62/12,946,611.48
  6. Step 6: Final answer
    x = 9,860,594.10

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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.