Home / 12,783,943.60-19,175,915.40-11,067,002.80

Finding the Fourth Proportional to 12,783,943.60, 19,175,915.40 and 11,067,002.80

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Solution

The fourth proportional to 12,783,943.60, 19,175,915.40 and 11,067,002.80 is: 16,600,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,943.60 : 19,175,915.40 = 11,067,002.80 : x
  2. Step 2: Convert to fraction form
    12,783,943.60/19,175,915.40 = 11,067,002.80/x
  3. Step 3: Cross multiply
    12,783,943.60x = 19,175,915.40 × 11,067,002.80
  4. Step 4: Simplify right side
    12,783,943.60x = 212,219,909,424,363.12
  5. Step 5: Solve for x
    x = 212,219,909,424,363.12/12,783,943.60
  6. Step 6: Final answer
    x = 16,600,504.20

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1.5x scale

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.