Finding the Fourth Proportional to 15,903,254.81, 23,832,812.35 and 7,246,198.55
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Solution
The fourth proportional to 15,903,254.81, 23,832,812.35 and 7,246,198.55 is: 10,859,241.86
Step by Step Solution
- Step 1: Write the proportion equation
15,903,254.81 : 23,832,812.35 = 7,246,198.55 : x - Step 2: Convert to fraction form
15,903,254.81/23,832,812.35 = 7,246,198.55/x - Step 3: Cross multiply
15,903,254.81x = 23,832,812.35 × 7,246,198.55 - Step 4: Simplify right side
15,903,254.81x = 172,697,290,292,992.09 - Step 5: Solve for x
x = 172,697,290,292,992.09/15,903,254.81 - Step 6: Final answer
x = 10,859,241.86
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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.