Finding the Fourth Proportional to 26,720,474.24, 36,870,335.36 and 14,959,132.72
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Solution
The fourth proportional to 26,720,474.24, 36,870,335.36 and 14,959,132.72 is: 20,641,409.10
Step by Step Solution
- Step 1: Write the proportion equation
26,720,474.24 : 36,870,335.36 = 14,959,132.72 : x - Step 2: Convert to fraction form
26,720,474.24/36,870,335.36 = 14,959,132.72/x - Step 3: Cross multiply
26,720,474.24x = 36,870,335.36 × 14,959,132.72 - Step 4: Simplify right side
26,720,474.24x = 551,548,240,081,149 - Step 5: Solve for x
x = 551,548,240,081,149/26,720,474.24 - Step 6: Final answer
x = 20,641,409.10
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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.