Home / 8,590,946-12,858,379.32-6,315,867.60

Finding the Fourth Proportional to 8,590,946, 12,858,379.32 and 6,315,867.60

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Solution

The fourth proportional to 8,590,946, 12,858,379.32 and 6,315,867.60 is: 9,453,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,946 : 12,858,379.32 = 6,315,867.60 : x
  2. Step 2: Convert to fraction form
    8,590,946/12,858,379.32 = 6,315,867.60/x
  3. Step 3: Cross multiply
    8,590,946x = 12,858,379.32 × 6,315,867.60
  4. Step 4: Simplify right side
    8,590,946x = 81,211,821,335,698.03
  5. Step 5: Solve for x
    x = 81,211,821,335,698.03/8,590,946
  6. Step 6: Final answer
    x = 9,453,187.27

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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.