Finding the Fourth Proportional to 9,602,816.90, 13,251,701.66 and 5,251,889.75
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Solution
The fourth proportional to 9,602,816.90, 13,251,701.66 and 5,251,889.75 is: 7,247,506.31
Step by Step Solution
- Step 1: Write the proportion equation
9,602,816.90 : 13,251,701.66 = 5,251,889.75 : x - Step 2: Convert to fraction form
9,602,816.90/13,251,701.66 = 5,251,889.75/x - Step 3: Cross multiply
9,602,816.90x = 13,251,701.66 × 5,251,889.75 - Step 4: Simplify right side
9,602,816.90x = 69,596,476,025,694.02 - Step 5: Solve for x
x = 69,596,476,025,694.02/9,602,816.90 - Step 6: Final answer
x = 7,247,506.31
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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.