Home / 19,192,012.40-28,774,021.80-7,826,610.80

Finding the Fourth Proportional to 19,192,012.40, 28,774,021.80 and 7,826,610.80

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Solution

The fourth proportional to 19,192,012.40, 28,774,021.80 and 7,826,610.80 is: 11,734,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192,012.40 : 28,774,021.80 = 7,826,610.80 : x
  2. Step 2: Convert to fraction form
    19,192,012.40/28,774,021.80 = 7,826,610.80/x
  3. Step 3: Cross multiply
    19,192,012.40x = 28,774,021.80 × 7,826,610.80
  4. Step 4: Simplify right side
    19,192,012.40x = 225,203,069,779,315.44
  5. Step 5: Solve for x
    x = 225,203,069,779,315.44/19,192,012.40
  6. Step 6: Final answer
    x = 11,734,208.23

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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.