Finding the Fourth Proportional to 23,386,485.92, 32,273,480.04 and 13,073,643.68
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Solution
The fourth proportional to 23,386,485.92, 32,273,480.04 and 13,073,643.68 is: 18,041,700.66
Step by Step Solution
- Step 1: Write the proportion equation
23,386,485.92 : 32,273,480.04 = 13,073,643.68 : x - Step 2: Convert to fraction form
23,386,485.92/32,273,480.04 = 13,073,643.68/x - Step 3: Cross multiply
23,386,485.92x = 32,273,480.04 × 13,073,643.68 - Step 4: Simplify right side
23,386,485.92x = 421,931,978,356,552.12 - Step 5: Solve for x
x = 421,931,978,356,552.12/23,386,485.92 - Step 6: Final answer
x = 18,041,700.66
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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.