Home / 7,038,413.20-10,557,619.80-5,526,758.80

Finding the Fourth Proportional to 7,038,413.20, 10,557,619.80 and 5,526,758.80

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Solution

The fourth proportional to 7,038,413.20, 10,557,619.80 and 5,526,758.80 is: 8,290,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,413.20 : 10,557,619.80 = 5,526,758.80 : x
  2. Step 2: Convert to fraction form
    7,038,413.20/10,557,619.80 = 5,526,758.80/x
  3. Step 3: Cross multiply
    7,038,413.20x = 10,557,619.80 × 5,526,758.80
  4. Step 4: Simplify right side
    7,038,413.20x = 58,349,418,136,704.24
  5. Step 5: Solve for x
    x = 58,349,418,136,704.24/7,038,413.20
  6. Step 6: Final answer
    x = 8,290,138.20

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Double scale
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Similar ratio
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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.