Finding the Fourth Proportional to 17,739,356.80, 26,609,035.20 and 15,826,169.20
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Solution
The fourth proportional to 17,739,356.80, 26,609,035.20 and 15,826,169.20 is: 23,739,253.80
Step by Step Solution
- Step 1: Write the proportion equation
17,739,356.80 : 26,609,035.20 = 15,826,169.20 : x - Step 2: Convert to fraction form
17,739,356.80/26,609,035.20 = 15,826,169.20/x - Step 3: Cross multiply
17,739,356.80x = 26,609,035.20 × 15,826,169.20 - Step 4: Simplify right side
17,739,356.80x = 421,119,093,323,955.81 - Step 5: Solve for x
x = 421,119,093,323,955.81/17,739,356.80 - Step 6: Final answer
x = 23,739,253.80
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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.