Finding the Fourth Proportional to 10,201,982.80, 15,267,544.80 and 7,013,336.80
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Solution
The fourth proportional to 10,201,982.80, 15,267,544.80 and 7,013,336.80 is: 10,495,649.32
Step by Step Solution
- Step 1: Write the proportion equation
10,201,982.80 : 15,267,544.80 = 7,013,336.80 : x - Step 2: Convert to fraction form
10,201,982.80/15,267,544.80 = 7,013,336.80/x - Step 3: Cross multiply
10,201,982.80x = 15,267,544.80 × 7,013,336.80 - Step 4: Simplify right side
10,201,982.80x = 107,076,433,791,488.64 - Step 5: Solve for x
x = 107,076,433,791,488.64/10,201,982.80 - Step 6: Final answer
x = 10,495,649.32
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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.