Finding the Fourth Proportional to 11,146,875.70, 16,720,313.55 and 6,363,906.70
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Solution
The fourth proportional to 11,146,875.70, 16,720,313.55 and 6,363,906.70 is: 9,545,860.05
Step by Step Solution
- Step 1: Write the proportion equation
11,146,875.70 : 16,720,313.55 = 6,363,906.70 : x - Step 2: Convert to fraction form
11,146,875.70/16,720,313.55 = 6,363,906.70/x - Step 3: Cross multiply
11,146,875.70x = 16,720,313.55 × 6,363,906.70 - Step 4: Simplify right side
11,146,875.70x = 106,406,515,426,945.80 - Step 5: Solve for x
x = 106,406,515,426,945.80/11,146,875.70 - Step 6: Final answer
x = 9,545,860.05
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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.