Finding the Fourth Proportional to 19,387,135.96, 26,754,410.46 and 10,685,330.84
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Solution
The fourth proportional to 19,387,135.96, 26,754,410.46 and 10,685,330.84 is: 14,745,846.31
Step by Step Solution
- Step 1: Write the proportion equation
19,387,135.96 : 26,754,410.46 = 10,685,330.84 : x - Step 2: Convert to fraction form
19,387,135.96/26,754,410.46 = 10,685,330.84/x - Step 3: Cross multiply
19,387,135.96x = 26,754,410.46 × 10,685,330.84 - Step 4: Simplify right side
19,387,135.96x = 285,879,727,194,256.56 - Step 5: Solve for x
x = 285,879,727,194,256.56/19,387,135.96 - Step 6: Final answer
x = 14,745,846.31
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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.