Finding the Fourth Proportional to 9,473,076.39, 13,072,854.66 and 5,122,161.54
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Solution
The fourth proportional to 9,473,076.39, 13,072,854.66 and 5,122,161.54 is: 7,068,587.92
Step by Step Solution
- Step 1: Write the proportion equation
9,473,076.39 : 13,072,854.66 = 5,122,161.54 : x - Step 2: Convert to fraction form
9,473,076.39/13,072,854.66 = 5,122,161.54/x - Step 3: Cross multiply
9,473,076.39x = 13,072,854.66 × 5,122,161.54 - Step 4: Simplify right side
9,473,076.39x = 66,961,273,357,461.78 - Step 5: Solve for x
x = 66,961,273,357,461.78/9,473,076.39 - Step 6: Final answer
x = 7,068,587.92
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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.