Finding the Fourth Proportional to 14,197,803.52, 19,602,428.08 and 8,398,448.14
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Solution
The fourth proportional to 14,197,803.52, 19,602,428.08 and 8,398,448.14 is: 11,595,453.86
Step by Step Solution
- Step 1: Write the proportion equation
14,197,803.52 : 19,602,428.08 = 8,398,448.14 : x - Step 2: Convert to fraction form
14,197,803.52/19,602,428.08 = 8,398,448.14/x - Step 3: Cross multiply
14,197,803.52x = 19,602,428.08 × 8,398,448.14 - Step 4: Simplify right side
14,197,803.52x = 164,629,975,647,959.78 - Step 5: Solve for x
x = 164,629,975,647,959.78/14,197,803.52 - Step 6: Final answer
x = 11,595,453.86
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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.