Finding the Fourth Proportional to 10,178,646.08, 14,046,374.16 and 5,594,868.96
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Solution
The fourth proportional to 10,178,646.08, 14,046,374.16 and 5,594,868.96 is: 7,720,832.63
Step by Step Solution
- Step 1: Write the proportion equation
10,178,646.08 : 14,046,374.16 = 5,594,868.96 : x - Step 2: Convert to fraction form
10,178,646.08/14,046,374.16 = 5,594,868.96/x - Step 3: Cross multiply
10,178,646.08x = 14,046,374.16 × 5,594,868.96 - Step 4: Simplify right side
10,178,646.08x = 78,587,622,788,330.08 - Step 5: Solve for x
x = 78,587,622,788,330.08/10,178,646.08 - Step 6: Final answer
x = 7,720,832.63
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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.