Finding the Fourth Proportional to 51,115,569.31, 70,539,204.32 and 27,910,531.09
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Solution
The fourth proportional to 51,115,569.31, 70,539,204.32 and 27,910,531.09 is: 38,516,379.29
Step by Step Solution
- Step 1: Write the proportion equation
51,115,569.31 : 70,539,204.32 = 27,910,531.09 : x - Step 2: Convert to fraction form
51,115,569.31/70,539,204.32 = 27,910,531.09/x - Step 3: Cross multiply
51,115,569.31x = 70,539,204.32 × 27,910,531.09 - Step 4: Simplify right side
51,115,569.31x = 1,968,786,654,884,526.25 - Step 5: Solve for x
x = 1,968,786,654,884,526.25/51,115,569.31 - Step 6: Final answer
x = 38,516,379.29
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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.