Finding the Fourth Proportional to 13,663,237.06, 18,855,251.17 and 7,468,324.46
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Solution
The fourth proportional to 13,663,237.06, 18,855,251.17 and 7,468,324.46 is: 10,306,279.02
Step by Step Solution
- Step 1: Write the proportion equation
13,663,237.06 : 18,855,251.17 = 7,468,324.46 : x - Step 2: Convert to fraction form
13,663,237.06/18,855,251.17 = 7,468,324.46/x - Step 3: Cross multiply
13,663,237.06x = 18,855,251.17 × 7,468,324.46 - Step 4: Simplify right side
13,663,237.06x = 140,817,133,470,114.75 - Step 5: Solve for x
x = 140,817,133,470,114.75/13,663,237.06 - Step 6: Final answer
x = 10,306,279.02
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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.