Finding the Fourth Proportional to 11,458,735.74, 15,813,187.16 and 6,302,183.40
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Solution
The fourth proportional to 11,458,735.74, 15,813,187.16 and 6,302,183.40 is: 8,697,085.60
Step by Step Solution
- Step 1: Write the proportion equation
11,458,735.74 : 15,813,187.16 = 6,302,183.40 : x - Step 2: Convert to fraction form
11,458,735.74/15,813,187.16 = 6,302,183.40/x - Step 3: Cross multiply
11,458,735.74x = 15,813,187.16 × 6,302,183.40 - Step 4: Simplify right side
11,458,735.74x = 99,657,605,589,334.23 - Step 5: Solve for x
x = 99,657,605,589,334.23/11,458,735.74 - Step 6: Final answer
x = 8,697,085.60
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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.