Finding the Fourth Proportional to 10,478,691.49, 14,458,120.62 and 8,808,624.20
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Solution
The fourth proportional to 10,478,691.49, 14,458,120.62 and 8,808,624.20 is: 12,153,822.00
Step by Step Solution
- Step 1: Write the proportion equation
10,478,691.49 : 14,458,120.62 = 8,808,624.20 : x - Step 2: Convert to fraction form
10,478,691.49/14,458,120.62 = 8,808,624.20/x - Step 3: Cross multiply
10,478,691.49x = 14,458,120.62 × 8,808,624.20 - Step 4: Simplify right side
10,478,691.49x = 127,356,151,194,810.69 - Step 5: Solve for x
x = 127,356,151,194,810.69/10,478,691.49 - Step 6: Final answer
x = 12,153,822.00
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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.