Finding the Fourth Proportional to 11,824,364.21, 16,317,646.22 and 6,391,856.21
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Solution
The fourth proportional to 11,824,364.21, 16,317,646.22 and 6,391,856.21 is: 8,820,774.33
Step by Step Solution
- Step 1: Write the proportion equation
11,824,364.21 : 16,317,646.22 = 6,391,856.21 : x - Step 2: Convert to fraction form
11,824,364.21/16,317,646.22 = 6,391,856.21/x - Step 3: Cross multiply
11,824,364.21x = 16,317,646.22 × 6,391,856.21 - Step 4: Simplify right side
11,824,364.21x = 104,300,048,258,281.44 - Step 5: Solve for x
x = 104,300,048,258,281.44/11,824,364.21 - Step 6: Final answer
x = 8,820,774.33
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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.