Finding the Fourth Proportional to 14,521,821.18, 21,785,044.18 and 4,806,789.08
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Solution
The fourth proportional to 14,521,821.18, 21,785,044.18 and 4,806,789.08 is: 7,210,949.04
Step by Step Solution
- Step 1: Write the proportion equation
14,521,821.18 : 21,785,044.18 = 4,806,789.08 : x - Step 2: Convert to fraction form
14,521,821.18/21,785,044.18 = 4,806,789.08/x - Step 3: Cross multiply
14,521,821.18x = 21,785,044.18 × 4,806,789.08 - Step 4: Simplify right side
14,521,821.18x = 104,716,112,471,741.55 - Step 5: Solve for x
x = 104,716,112,471,741.55/14,521,821.18 - Step 6: Final answer
x = 7,210,949.04
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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.