Finding the Fourth Proportional to 11,711,317.72, 16,157,935.74 and 6,553,859.80
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Solution
The fourth proportional to 11,711,317.72, 16,157,935.74 and 6,553,859.80 is: 9,042,265.61
Step by Step Solution
- Step 1: Write the proportion equation
11,711,317.72 : 16,157,935.74 = 6,553,859.80 : x - Step 2: Convert to fraction form
11,711,317.72/16,157,935.74 = 6,553,859.80/x - Step 3: Cross multiply
11,711,317.72x = 16,157,935.74 × 6,553,859.80 - Step 4: Simplify right side
11,711,317.72x = 105,896,845,497,369.25 - Step 5: Solve for x
x = 105,896,845,497,369.25/11,711,317.72 - Step 6: Final answer
x = 9,042,265.61
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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.