Finding the Fourth Proportional to 14,377,643.70, 21,566,465.55 and 6,819,371.70
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Solution
The fourth proportional to 14,377,643.70, 21,566,465.55 and 6,819,371.70 is: 10,229,057.55
Step by Step Solution
- Step 1: Write the proportion equation
14,377,643.70 : 21,566,465.55 = 6,819,371.70 : x - Step 2: Convert to fraction form
14,377,643.70/21,566,465.55 = 6,819,371.70/x - Step 3: Cross multiply
14,377,643.70x = 21,566,465.55 × 6,819,371.70 - Step 4: Simplify right side
14,377,643.70x = 147,069,744,840,694.94 - Step 5: Solve for x
x = 147,069,744,840,694.94/14,377,643.70 - Step 6: Final answer
x = 10,229,057.55
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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.