Finding the Fourth Proportional to 8,302,875.19, 11,457,935.96 and 4,631,788.84
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Solution
The fourth proportional to 8,302,875.19, 11,457,935.96 and 4,631,788.84 is: 6,391,850.85
Step by Step Solution
- Step 1: Write the proportion equation
8,302,875.19 : 11,457,935.96 = 4,631,788.84 : x - Step 2: Convert to fraction form
8,302,875.19/11,457,935.96 = 4,631,788.84/x - Step 3: Cross multiply
8,302,875.19x = 11,457,935.96 × 4,631,788.84 - Step 4: Simplify right side
8,302,875.19x = 53,070,739,878,642.54 - Step 5: Solve for x
x = 53,070,739,878,642.54/8,302,875.19 - Step 6: Final answer
x = 6,391,850.85
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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.