Finding the Fourth Proportional to 8,185,155.74, 12,275,638.64 and 2,426,542.76
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Solution
The fourth proportional to 8,185,155.74, 12,275,638.64 and 2,426,542.76 is: 3,639,193.07
Step by Step Solution
- Step 1: Write the proportion equation
8,185,155.74 : 12,275,638.64 = 2,426,542.76 : x - Step 2: Convert to fraction form
8,185,155.74/12,275,638.64 = 2,426,542.76/x - Step 3: Cross multiply
8,185,155.74x = 12,275,638.64 × 2,426,542.76 - Step 4: Simplify right side
8,185,155.74x = 29,787,362,066,268.25 - Step 5: Solve for x
x = 29,787,362,066,268.25/8,185,155.74 - Step 6: Final answer
x = 3,639,193.07
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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.