Home / 19,178,122.91-28,766,987.46-11,085,949.53

Finding the Fourth Proportional to 19,178,122.91, 28,766,987.46 and 11,085,949.53

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Solution

The fourth proportional to 19,178,122.91, 28,766,987.46 and 11,085,949.53 is: 16,628,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,122.91 : 28,766,987.46 = 11,085,949.53 : x
  2. Step 2: Convert to fraction form
    19,178,122.91/28,766,987.46 = 11,085,949.53/x
  3. Step 3: Cross multiply
    19,178,122.91x = 28,766,987.46 × 11,085,949.53
  4. Step 4: Simplify right side
    19,178,122.91x = 318,909,371,111,702.88
  5. Step 5: Solve for x
    x = 318,909,371,111,702.88/19,178,122.91
  6. Step 6: Final answer
    x = 16,628,810.48

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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.