Finding the Fourth Proportional to 36,769,972.18, 55,083,205.41 and 28,644,903.67
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Solution
The fourth proportional to 36,769,972.18, 55,083,205.41 and 28,644,903.67 is: 42,911,457.89
Step by Step Solution
- Step 1: Write the proportion equation
36,769,972.18 : 55,083,205.41 = 28,644,903.67 : x - Step 2: Convert to fraction form
36,769,972.18/55,083,205.41 = 28,644,903.67/x - Step 3: Cross multiply
36,769,972.18x = 55,083,205.41 × 28,644,903.67 - Step 4: Simplify right side
36,769,972.18x = 1,577,853,112,804,272.75 - Step 5: Solve for x
x = 1,577,853,112,804,272.75/36,769,972.18 - Step 6: Final answer
x = 42,911,457.89
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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.