Home / 7,122,413.20-10,683,619.80-2,073,888.40

Finding the Fourth Proportional to 7,122,413.20, 10,683,619.80 and 2,073,888.40

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Solution

The fourth proportional to 7,122,413.20, 10,683,619.80 and 2,073,888.40 is: 3,110,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,413.20 : 10,683,619.80 = 2,073,888.40 : x
  2. Step 2: Convert to fraction form
    7,122,413.20/10,683,619.80 = 2,073,888.40/x
  3. Step 3: Cross multiply
    7,122,413.20x = 10,683,619.80 × 2,073,888.40
  4. Step 4: Simplify right side
    7,122,413.20x = 22,156,635,173,230.32
  5. Step 5: Solve for x
    x = 22,156,635,173,230.32/7,122,413.20
  6. Step 6: Final answer
    x = 3,110,832.60

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Similar ratio
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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.