Home / 7,800,413.90-11,700,620.85-4,603,894.70

Finding the Fourth Proportional to 7,800,413.90, 11,700,620.85 and 4,603,894.70

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Solution

The fourth proportional to 7,800,413.90, 11,700,620.85 and 4,603,894.70 is: 6,905,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,413.90 : 11,700,620.85 = 4,603,894.70 : x
  2. Step 2: Convert to fraction form
    7,800,413.90/11,700,620.85 = 4,603,894.70/x
  3. Step 3: Cross multiply
    7,800,413.90x = 11,700,620.85 × 4,603,894.70
  4. Step 4: Simplify right side
    7,800,413.90x = 53,868,426,318,024.49
  5. Step 5: Solve for x
    x = 53,868,426,318,024.49/7,800,413.90
  6. Step 6: Final answer
    x = 6,905,842.05

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Double scale
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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.