Finding the Fourth Proportional to 14,283,724.75, 19,711,655.99 and 7,757,400.94
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Solution
The fourth proportional to 14,283,724.75, 19,711,655.99 and 7,757,400.94 is: 10,705,276.21
Step by Step Solution
- Step 1: Write the proportion equation
14,283,724.75 : 19,711,655.99 = 7,757,400.94 : x - Step 2: Convert to fraction form
14,283,724.75/19,711,655.99 = 7,757,400.94/x - Step 3: Cross multiply
14,283,724.75x = 19,711,655.99 × 7,757,400.94 - Step 4: Simplify right side
14,283,724.75x = 152,911,218,705,782.62 - Step 5: Solve for x
x = 152,911,218,705,782.62/14,283,724.75 - Step 6: Final answer
x = 10,705,276.21
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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.