Finding the Fourth Proportional to 18,698,476.16, 28,090,276.56 and 13,527,036.84
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Solution
The fourth proportional to 18,698,476.16, 28,090,276.56 and 13,527,036.84 is: 20,321,346.12
Step by Step Solution
- Step 1: Write the proportion equation
18,698,476.16 : 28,090,276.56 = 13,527,036.84 : x - Step 2: Convert to fraction form
18,698,476.16/28,090,276.56 = 13,527,036.84/x - Step 3: Cross multiply
18,698,476.16x = 28,090,276.56 × 13,527,036.84 - Step 4: Simplify right side
18,698,476.16x = 379,978,205,976,790.06 - Step 5: Solve for x
x = 379,978,205,976,790.06/18,698,476.16 - Step 6: Final answer
x = 20,321,346.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.