Finding the Fourth Proportional to 8,994,679.36, 12,412,755.96 and 4,920,298.36
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Solution
The fourth proportional to 8,994,679.36, 12,412,755.96 and 4,920,298.36 is: 6,790,065.59
Step by Step Solution
- Step 1: Write the proportion equation
8,994,679.36 : 12,412,755.96 = 4,920,298.36 : x - Step 2: Convert to fraction form
8,994,679.36/12,412,755.96 = 4,920,298.36/x - Step 3: Cross multiply
8,994,679.36x = 12,412,755.96 × 4,920,298.36 - Step 4: Simplify right side
8,994,679.36x = 61,074,462,793,068.23 - Step 5: Solve for x
x = 61,074,462,793,068.23/8,994,679.36 - Step 6: Final answer
x = 6,790,065.59
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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.