Finding the Fourth Proportional to 9,869,087.80, 14,828,514.90 and 6,276,575.80
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Solution
The fourth proportional to 9,869,087.80, 14,828,514.90 and 6,276,575.80 is: 9,430,689.00
Step by Step Solution
- Step 1: Write the proportion equation
9,869,087.80 : 14,828,514.90 = 6,276,575.80 : x - Step 2: Convert to fraction form
9,869,087.80/14,828,514.90 = 6,276,575.80/x - Step 3: Cross multiply
9,869,087.80x = 14,828,514.90 × 6,276,575.80 - Step 4: Simplify right side
9,869,087.80x = 93,072,297,771,279.42 - Step 5: Solve for x
x = 93,072,297,771,279.42/9,869,087.80 - Step 6: Final answer
x = 9,430,689.00
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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.