Finding the Fourth Proportional to 19,251,715.62, 28,877,639.36 and 4,874,776.74
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Solution
The fourth proportional to 19,251,715.62, 28,877,639.36 and 4,874,776.74 is: 7,312,181.80
Step by Step Solution
- Step 1: Write the proportion equation
19,251,715.62 : 28,877,639.36 = 4,874,776.74 : x - Step 2: Convert to fraction form
19,251,715.62/28,877,639.36 = 4,874,776.74/x - Step 3: Cross multiply
19,251,715.62x = 28,877,639.36 × 4,874,776.74 - Step 4: Simplify right side
19,251,715.62x = 140,772,044,658,236.50 - Step 5: Solve for x
x = 140,772,044,658,236.50/19,251,715.62 - Step 6: Final answer
x = 7,312,181.80
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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.