Finding the Fourth Proportional to 10,749,409.16, 16,124,013.36 and 4,358,142.20
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Solution
The fourth proportional to 10,749,409.16, 16,124,013.36 and 4,358,142.20 is: 6,537,172.60
Step by Step Solution
- Step 1: Write the proportion equation
10,749,409.16 : 16,124,013.36 = 4,358,142.20 : x - Step 2: Convert to fraction form
10,749,409.16/16,124,013.36 = 4,358,142.20/x - Step 3: Cross multiply
10,749,409.16x = 16,124,013.36 × 4,358,142.20 - Step 4: Simplify right side
10,749,409.16x = 70,270,743,057,579.79 - Step 5: Solve for x
x = 70,270,743,057,579.79/10,749,409.16 - Step 6: Final answer
x = 6,537,172.60
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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.