Finding the Fourth Proportional to 10,729,306.12, 14,806,831.68 and 6,146,513.32
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Solution
The fourth proportional to 10,729,306.12, 14,806,831.68 and 6,146,513.32 is: 8,482,411.36
Step by Step Solution
- Step 1: Write the proportion equation
10,729,306.12 : 14,806,831.68 = 6,146,513.32 : x - Step 2: Convert to fraction form
10,729,306.12/14,806,831.68 = 6,146,513.32/x - Step 3: Cross multiply
10,729,306.12x = 14,806,831.68 × 6,146,513.32 - Step 4: Simplify right side
10,729,306.12x = 91,010,388,148,117.98 - Step 5: Solve for x
x = 91,010,388,148,117.98/10,729,306.12 - Step 6: Final answer
x = 8,482,411.36
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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.