Finding the Fourth Proportional to 11,317,203.63, 15,617,742.84 and 6,160,603.77
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Solution
The fourth proportional to 11,317,203.63, 15,617,742.84 and 6,160,603.77 is: 8,501,634.20
Step by Step Solution
- Step 1: Write the proportion equation
11,317,203.63 : 15,617,742.84 = 6,160,603.77 : x - Step 2: Convert to fraction form
11,317,203.63/15,617,742.84 = 6,160,603.77/x - Step 3: Cross multiply
11,317,203.63x = 15,617,742.84 × 6,160,603.77 - Step 4: Simplify right side
11,317,203.63x = 96,214,725,418,994.50 - Step 5: Solve for x
x = 96,214,725,418,994.50/11,317,203.63 - Step 6: Final answer
x = 8,501,634.20
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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.