Home / 12,911,241.40-19,369,626.90-3,936,700.60

Finding the Fourth Proportional to 12,911,241.40, 19,369,626.90 and 3,936,700.60

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Solution

The fourth proportional to 12,911,241.40, 19,369,626.90 and 3,936,700.60 is: 5,905,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911,241.40 : 19,369,626.90 = 3,936,700.60 : x
  2. Step 2: Convert to fraction form
    12,911,241.40/19,369,626.90 = 3,936,700.60/x
  3. Step 3: Cross multiply
    12,911,241.40x = 19,369,626.90 × 3,936,700.60
  4. Step 4: Simplify right side
    12,911,241.40x = 76,252,421,839,006.14
  5. Step 5: Solve for x
    x = 76,252,421,839,006.14/12,911,241.40
  6. Step 6: Final answer
    x = 5,905,893.90

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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.