Finding the Fourth Proportional to 8,757,165.48, 13,137,001.87 and 2,692,406.49
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Solution
The fourth proportional to 8,757,165.48, 13,137,001.87 and 2,692,406.49 is: 4,038,995.17
Step by Step Solution
- Step 1: Write the proportion equation
8,757,165.48 : 13,137,001.87 = 2,692,406.49 : x - Step 2: Convert to fraction form
8,757,165.48/13,137,001.87 = 2,692,406.49/x - Step 3: Cross multiply
8,757,165.48x = 13,137,001.87 × 2,692,406.49 - Step 4: Simplify right side
8,757,165.48x = 35,370,149,046,769.15 - Step 5: Solve for x
x = 35,370,149,046,769.15/8,757,165.48 - Step 6: Final answer
x = 4,038,995.17
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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.