Home / 19,010,386.80-28,515,580.20-11,844,025.20

Finding the Fourth Proportional to 19,010,386.80, 28,515,580.20 and 11,844,025.20

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Solution

The fourth proportional to 19,010,386.80, 28,515,580.20 and 11,844,025.20 is: 17,766,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,386.80 : 28,515,580.20 = 11,844,025.20 : x
  2. Step 2: Convert to fraction form
    19,010,386.80/28,515,580.20 = 11,844,025.20/x
  3. Step 3: Cross multiply
    19,010,386.80x = 28,515,580.20 × 11,844,025.20
  4. Step 4: Simplify right side
    19,010,386.80x = 337,739,250,481,421
  5. Step 5: Solve for x
    x = 337,739,250,481,421/19,010,386.80
  6. Step 6: Final answer
    x = 17,766,037.80

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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.