Finding the Fourth Proportional to 9,503,781.09, 13,115,138.71 and 5,374,622.93
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Solution
The fourth proportional to 9,503,781.09, 13,115,138.71 and 5,374,622.93 is: 7,416,934.86
Step by Step Solution
- Step 1: Write the proportion equation
9,503,781.09 : 13,115,138.71 = 5,374,622.93 : x - Step 2: Convert to fraction form
9,503,781.09/13,115,138.71 = 5,374,622.93/x - Step 3: Cross multiply
9,503,781.09x = 13,115,138.71 × 5,374,622.93 - Step 4: Simplify right side
9,503,781.09x = 70,488,925,240,896.62 - Step 5: Solve for x
x = 70,488,925,240,896.62/9,503,781.09 - Step 6: Final answer
x = 7,416,934.86
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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.