Home / 7,020,400.80-10,530,601.20-5,744,942.40

Finding the Fourth Proportional to 7,020,400.80, 10,530,601.20 and 5,744,942.40

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Solution

The fourth proportional to 7,020,400.80, 10,530,601.20 and 5,744,942.40 is: 8,617,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,400.80 : 10,530,601.20 = 5,744,942.40 : x
  2. Step 2: Convert to fraction form
    7,020,400.80/10,530,601.20 = 5,744,942.40/x
  3. Step 3: Cross multiply
    7,020,400.80x = 10,530,601.20 × 5,744,942.40
  4. Step 4: Simplify right side
    7,020,400.80x = 60,497,697,331,370.88
  5. Step 5: Solve for x
    x = 60,497,697,331,370.88/7,020,400.80
  6. Step 6: Final answer
    x = 8,617,413.60

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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.