Finding the Fourth Proportional to 10,189,035.70, 15,283,553.55 and 6,787,813.30
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Solution
The fourth proportional to 10,189,035.70, 15,283,553.55 and 6,787,813.30 is: 10,181,719.95
Step by Step Solution
- Step 1: Write the proportion equation
10,189,035.70 : 15,283,553.55 = 6,787,813.30 : x - Step 2: Convert to fraction form
10,189,035.70/15,283,553.55 = 6,787,813.30/x - Step 3: Cross multiply
10,189,035.70x = 15,283,553.55 × 6,787,813.30 - Step 4: Simplify right side
10,189,035.70x = 103,741,908,057,952.22 - Step 5: Solve for x
x = 103,741,908,057,952.22/10,189,035.70 - Step 6: Final answer
x = 10,181,719.95
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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.