Finding the Fourth Proportional to 10,071,917.44, 13,898,810.88 and 5,720,990.08
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Solution
The fourth proportional to 10,071,917.44, 13,898,810.88 and 5,720,990.08 is: 7,894,719.12
Step by Step Solution
- Step 1: Write the proportion equation
10,071,917.44 : 13,898,810.88 = 5,720,990.08 : x - Step 2: Convert to fraction form
10,071,917.44/13,898,810.88 = 5,720,990.08/x - Step 3: Cross multiply
10,071,917.44x = 13,898,810.88 × 5,720,990.08 - Step 4: Simplify right side
10,071,917.44x = 79,514,959,168,276.08 - Step 5: Solve for x
x = 79,514,959,168,276.08/10,071,917.44 - Step 6: Final answer
x = 7,894,719.12
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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.