Home / 12,991,504.80-19,487,257.20-3,406,864.80

Finding the Fourth Proportional to 12,991,504.80, 19,487,257.20 and 3,406,864.80

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Solution

The fourth proportional to 12,991,504.80, 19,487,257.20 and 3,406,864.80 is: 5,110,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,504.80 : 19,487,257.20 = 3,406,864.80 : x
  2. Step 2: Convert to fraction form
    12,991,504.80/19,487,257.20 = 3,406,864.80/x
  3. Step 3: Cross multiply
    12,991,504.80x = 19,487,257.20 × 3,406,864.80
  4. Step 4: Simplify right side
    12,991,504.80x = 66,390,450,603,226.55
  5. Step 5: Solve for x
    x = 66,390,450,603,226.55/12,991,504.80
  6. Step 6: Final answer
    x = 5,110,297.20

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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.