Finding the Fourth Proportional to 13,168,607.08, 18,169,173.30 and 9,039,901
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Solution
The fourth proportional to 13,168,607.08, 18,169,173.30 and 9,039,901 is: 12,472,657.65
Step by Step Solution
- Step 1: Write the proportion equation
13,168,607.08 : 18,169,173.30 = 9,039,901 : x - Step 2: Convert to fraction form
13,168,607.08/18,169,173.30 = 9,039,901/x - Step 3: Cross multiply
13,168,607.08x = 18,169,173.30 × 9,039,901 - Step 4: Simplify right side
13,168,607.08x = 164,247,527,883,843.31 - Step 5: Solve for x
x = 164,247,527,883,843.31/13,168,607.08 - Step 6: Final answer
x = 12,472,657.65
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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.