Finding the Fourth Proportional to 10,781,310.88, 14,878,260.12 and 5,886,632.08
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Solution
The fourth proportional to 10,781,310.88, 14,878,260.12 and 5,886,632.08 is: 8,123,580.17
Step by Step Solution
- Step 1: Write the proportion equation
10,781,310.88 : 14,878,260.12 = 5,886,632.08 : x - Step 2: Convert to fraction form
10,781,310.88/14,878,260.12 = 5,886,632.08/x - Step 3: Cross multiply
10,781,310.88x = 14,878,260.12 × 5,886,632.08 - Step 4: Simplify right side
10,781,310.88x = 87,582,843,316,976.64 - Step 5: Solve for x
x = 87,582,843,316,976.64/10,781,310.88 - Step 6: Final answer
x = 8,123,580.17
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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.