Home / 8,790,615.05-12,120,329.77-6,460,413.01

Finding the Fourth Proportional to 8,790,615.05, 12,120,329.77 and 6,460,413.01

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Solution

The fourth proportional to 8,790,615.05, 12,120,329.77 and 6,460,413.01 is: 8,907,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,615.05 : 12,120,329.77 = 6,460,413.01 : x
  2. Step 2: Convert to fraction form
    8,790,615.05/12,120,329.77 = 6,460,413.01/x
  3. Step 3: Cross multiply
    8,790,615.05x = 12,120,329.77 × 6,460,413.01
  4. Step 4: Simplify right side
    8,790,615.05x = 78,302,336,085,146.45
  5. Step 5: Solve for x
    x = 78,302,336,085,146.45/8,790,615.05
  6. Step 6: Final answer
    x = 8,907,492.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.