Finding the Fourth Proportional to 22,276,583.08, 30,748,091.64 and 13,454,633.08
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Solution
The fourth proportional to 22,276,583.08, 30,748,091.64 and 13,454,633.08 is: 18,571,263.35
Step by Step Solution
- Step 1: Write the proportion equation
22,276,583.08 : 30,748,091.64 = 13,454,633.08 : x - Step 2: Convert to fraction form
22,276,583.08/30,748,091.64 = 13,454,633.08/x - Step 3: Cross multiply
22,276,583.08x = 30,748,091.64 × 13,454,633.08 - Step 4: Simplify right side
22,276,583.08x = 413,704,290,914,395.75 - Step 5: Solve for x
x = 413,704,290,914,395.75/22,276,583.08 - Step 6: Final answer
x = 18,571,263.35
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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.