Home / 19,180,918.53-28,775,915.45-6,227,044.15

Finding the Fourth Proportional to 19,180,918.53, 28,775,915.45 and 6,227,044.15

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Solution

The fourth proportional to 19,180,918.53, 28,775,915.45 and 6,227,044.15 is: 9,342,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180,918.53 : 28,775,915.45 = 6,227,044.15 : x
  2. Step 2: Convert to fraction form
    19,180,918.53/28,775,915.45 = 6,227,044.15/x
  3. Step 3: Cross multiply
    19,180,918.53x = 28,775,915.45 × 6,227,044.15
  4. Step 4: Simplify right side
    19,180,918.53x = 179,188,895,963,817.12
  5. Step 5: Solve for x
    x = 179,188,895,963,817.12/19,180,918.53
  6. Step 6: Final answer
    x = 9,342,039.36

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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.