Finding the Fourth Proportional to 13,268,693.66, 18,316,447.02 and 8,920,302
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Solution
The fourth proportional to 13,268,693.66, 18,316,447.02 and 8,920,302 is: 12,313,815.00
Step by Step Solution
- Step 1: Write the proportion equation
13,268,693.66 : 18,316,447.02 = 8,920,302 : x - Step 2: Convert to fraction form
13,268,693.66/18,316,447.02 = 8,920,302/x - Step 3: Cross multiply
13,268,693.66x = 18,316,447.02 × 8,920,302 - Step 4: Simplify right side
13,268,693.66x = 163,388,238,985,400.03 - Step 5: Solve for x
x = 163,388,238,985,400.03/13,268,693.66 - Step 6: Final answer
x = 12,313,815.00
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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.