Finding the Fourth Proportional to 13,102,471.68, 18,081,482.92 and 7,599,109.94
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Solution
The fourth proportional to 13,102,471.68, 18,081,482.92 and 7,599,109.94 is: 10,486,813.48
Step by Step Solution
- Step 1: Write the proportion equation
13,102,471.68 : 18,081,482.92 = 7,599,109.94 : x - Step 2: Convert to fraction form
13,102,471.68/18,081,482.92 = 7,599,109.94/x - Step 3: Cross multiply
13,102,471.68x = 18,081,482.92 × 7,599,109.94 - Step 4: Simplify right side
13,102,471.68x = 137,403,176,587,312.25 - Step 5: Solve for x
x = 137,403,176,587,312.25/13,102,471.68 - Step 6: Final answer
x = 10,486,813.48
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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.