Finding the Fourth Proportional to 14,364,861.17, 19,823,558.49 and 7,838,634.47
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Solution
The fourth proportional to 14,364,861.17, 19,823,558.49 and 7,838,634.47 is: 10,817,342.89
Step by Step Solution
- Step 1: Write the proportion equation
14,364,861.17 : 19,823,558.49 = 7,838,634.47 : x - Step 2: Convert to fraction form
14,364,861.17/19,823,558.49 = 7,838,634.47/x - Step 3: Cross multiply
14,364,861.17x = 19,823,558.49 × 7,838,634.47 - Step 4: Simplify right side
14,364,861.17x = 155,389,628,798,657.34 - Step 5: Solve for x
x = 155,389,628,798,657.34/14,364,861.17 - Step 6: Final answer
x = 10,817,342.89
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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.