Finding the Fourth Proportional to 10,356,553.56, 14,298,167.16 and 9,207,453
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Solution
The fourth proportional to 10,356,553.56, 14,298,167.16 and 9,207,453 is: 12,711,728.99
Step by Step Solution
- Step 1: Write the proportion equation
10,356,553.56 : 14,298,167.16 = 9,207,453 : x - Step 2: Convert to fraction form
10,356,553.56/14,298,167.16 = 9,207,453/x - Step 3: Cross multiply
10,356,553.56x = 14,298,167.16 × 9,207,453 - Step 4: Simplify right side
10,356,553.56x = 131,649,702,111,843.48 - Step 5: Solve for x
x = 131,649,702,111,843.48/10,356,553.56 - Step 6: Final answer
x = 12,711,728.99
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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.