Finding the Fourth Proportional to 9,678,210.80, 14,521,981.80 and 6,832,194.80
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Solution
The fourth proportional to 9,678,210.80, 14,521,981.80 and 6,832,194.80 is: 10,251,585.81
Step by Step Solution
- Step 1: Write the proportion equation
9,678,210.80 : 14,521,981.80 = 6,832,194.80 : x - Step 2: Convert to fraction form
9,678,210.80/14,521,981.80 = 6,832,194.80/x - Step 3: Cross multiply
9,678,210.80x = 14,521,981.80 × 6,832,194.80 - Step 4: Simplify right side
9,678,210.80x = 99,217,008,539,654.64 - Step 5: Solve for x
x = 99,217,008,539,654.64/9,678,210.80 - Step 6: Final answer
x = 10,251,585.81
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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.