Finding the Fourth Proportional to 14,901,582.24, 20,564,368.92 and 9,021,138.48
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Solution
The fourth proportional to 14,901,582.24, 20,564,368.92 and 9,021,138.48 is: 12,449,283.36
Step by Step Solution
- Step 1: Write the proportion equation
14,901,582.24 : 20,564,368.92 = 9,021,138.48 : x - Step 2: Convert to fraction form
14,901,582.24/20,564,368.92 = 9,021,138.48/x - Step 3: Cross multiply
14,901,582.24x = 20,564,368.92 × 9,021,138.48 - Step 4: Simplify right side
14,901,582.24x = 185,514,019,781,128.06 - Step 5: Solve for x
x = 185,514,019,781,128.06/14,901,582.24 - Step 6: Final answer
x = 12,449,283.36
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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.