Finding the Fourth Proportional to 16,071,372.48, 22,178,656.78 and 8,729,348.99
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Solution
The fourth proportional to 16,071,372.48, 22,178,656.78 and 8,729,348.99 is: 12,046,590.01
Step by Step Solution
- Step 1: Write the proportion equation
16,071,372.48 : 22,178,656.78 = 8,729,348.99 : x - Step 2: Convert to fraction form
16,071,372.48/22,178,656.78 = 8,729,348.99/x - Step 3: Cross multiply
16,071,372.48x = 22,178,656.78 × 8,729,348.99 - Step 4: Simplify right side
16,071,372.48x = 193,605,235,154,087.94 - Step 5: Solve for x
x = 193,605,235,154,087.94/16,071,372.48 - Step 6: Final answer
x = 12,046,590.01
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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.