Finding the Fourth Proportional to 13,413,616.12, 18,510,793.14 and 7,302,043
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Solution
The fourth proportional to 13,413,616.12, 18,510,793.14 and 7,302,043 is: 10,076,820.92
Step by Step Solution
- Step 1: Write the proportion equation
13,413,616.12 : 18,510,793.14 = 7,302,043 : x - Step 2: Convert to fraction form
13,413,616.12/18,510,793.14 = 7,302,043/x - Step 3: Cross multiply
13,413,616.12x = 18,510,793.14 × 7,302,043 - Step 4: Simplify right side
13,413,616.12x = 135,166,607,472,385.03 - Step 5: Solve for x
x = 135,166,607,472,385.03/13,413,616.12 - Step 6: Final answer
x = 10,076,820.92
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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.