Finding the Fourth Proportional to 11,374,005.21, 15,692,294.67 and 6,475,761.49
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Solution
The fourth proportional to 11,374,005.21, 15,692,294.67 and 6,475,761.49 is: 8,934,368.82
Step by Step Solution
- Step 1: Write the proportion equation
11,374,005.21 : 15,692,294.67 = 6,475,761.49 : x - Step 2: Convert to fraction form
11,374,005.21/15,692,294.67 = 6,475,761.49/x - Step 3: Cross multiply
11,374,005.21x = 15,692,294.67 × 6,475,761.49 - Step 4: Simplify right side
11,374,005.21x = 101,619,557,513,718.27 - Step 5: Solve for x
x = 101,619,557,513,718.27/11,374,005.21 - Step 6: Final answer
x = 8,934,368.82
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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.