Finding the Fourth Proportional to 14,921,576.40, 22,382,364.60 and 10,386,613.20
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Solution
The fourth proportional to 14,921,576.40, 22,382,364.60 and 10,386,613.20 is: 15,579,919.80
Step by Step Solution
- Step 1: Write the proportion equation
14,921,576.40 : 22,382,364.60 = 10,386,613.20 : x - Step 2: Convert to fraction form
14,921,576.40/22,382,364.60 = 10,386,613.20/x - Step 3: Cross multiply
14,921,576.40x = 22,382,364.60 × 10,386,613.20 - Step 4: Simplify right side
14,921,576.40x = 232,476,963,601,572.72 - Step 5: Solve for x
x = 232,476,963,601,572.72/14,921,576.40 - Step 6: Final answer
x = 15,579,919.80
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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.