Home / 9,020,603.12-12,379,413.05-8,956,830.20

Finding the Fourth Proportional to 9,020,603.12, 12,379,413.05 and 8,956,830.20

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Solution

The fourth proportional to 9,020,603.12, 12,379,413.05 and 8,956,830.20 is: 12,291,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,603.12 : 12,379,413.05 = 8,956,830.20 : x
  2. Step 2: Convert to fraction form
    9,020,603.12/12,379,413.05 = 8,956,830.20/x
  3. Step 3: Cross multiply
    9,020,603.12x = 12,379,413.05 × 8,956,830.20
  4. Step 4: Simplify right side
    9,020,603.12x = 110,880,300,557,832.89
  5. Step 5: Solve for x
    x = 110,880,300,557,832.89/9,020,603.12
  6. Step 6: Final answer
    x = 12,291,894.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.