Finding the Fourth Proportional to 6,564,486.72, 9,051,850.16 and 4,268,389.44
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Solution
The fourth proportional to 6,564,486.72, 9,051,850.16 and 4,268,389.44 is: 5,885,733.84
Step by Step Solution
- Step 1: Write the proportion equation
6,564,486.72 : 9,051,850.16 = 4,268,389.44 : x - Step 2: Convert to fraction form
6,564,486.72/9,051,850.16 = 4,268,389.44/x - Step 3: Cross multiply
6,564,486.72x = 9,051,850.16 × 4,268,389.44 - Step 4: Simplify right side
6,564,486.72x = 38,636,821,635,406.31 - Step 5: Solve for x
x = 38,636,821,635,406.31/6,564,486.72 - Step 6: Final answer
x = 5,885,733.84
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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.