Home / 8,907,867.09-12,289,999.59-4,987,046.90

Finding the Fourth Proportional to 8,907,867.09, 12,289,999.59 and 4,987,046.90

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Solution

The fourth proportional to 8,907,867.09, 12,289,999.59 and 4,987,046.90 is: 6,880,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,867.09 : 12,289,999.59 = 4,987,046.90 : x
  2. Step 2: Convert to fraction form
    8,907,867.09/12,289,999.59 = 4,987,046.90/x
  3. Step 3: Cross multiply
    8,907,867.09x = 12,289,999.59 × 4,987,046.90
  4. Step 4: Simplify right side
    8,907,867.09x = 61,290,804,387,035.77
  5. Step 5: Solve for x
    x = 61,290,804,387,035.77/8,907,867.09
  6. Step 6: Final answer
    x = 6,880,525.24

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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.