Home / 7,383,609.20-11,075,413.80-7,217,721.20

Finding the Fourth Proportional to 7,383,609.20, 11,075,413.80 and 7,217,721.20

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Solution

The fourth proportional to 7,383,609.20, 11,075,413.80 and 7,217,721.20 is: 10,826,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,609.20 : 11,075,413.80 = 7,217,721.20 : x
  2. Step 2: Convert to fraction form
    7,383,609.20/11,075,413.80 = 7,217,721.20/x
  3. Step 3: Cross multiply
    7,383,609.20x = 11,075,413.80 × 7,217,721.20
  4. Step 4: Simplify right side
    7,383,609.20x = 79,939,248,983,032.56
  5. Step 5: Solve for x
    x = 79,939,248,983,032.56/7,383,609.20
  6. Step 6: Final answer
    x = 10,826,581.80

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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.