Finding the Fourth Proportional to 8,391,369.41, 12,587,057.61 and 3,774,963.53
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Solution
The fourth proportional to 8,391,369.41, 12,587,057.61 and 3,774,963.53 is: 5,662,446.86
Step by Step Solution
- Step 1: Write the proportion equation
8,391,369.41 : 12,587,057.61 = 3,774,963.53 : x - Step 2: Convert to fraction form
8,391,369.41/12,587,057.61 = 3,774,963.53/x - Step 3: Cross multiply
8,391,369.41x = 12,587,057.61 × 3,774,963.53 - Step 4: Simplify right side
8,391,369.41x = 47,515,683,370,134.98 - Step 5: Solve for x
x = 47,515,683,370,134.98/8,391,369.41 - Step 6: Final answer
x = 5,662,446.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.