Finding the Fourth Proportional to 9,538,943.52, 14,243,803.09 and 7,571,600.07
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Solution
The fourth proportional to 9,538,943.52, 14,243,803.09 and 7,571,600.07 is: 11,306,113.75
Step by Step Solution
- Step 1: Write the proportion equation
9,538,943.52 : 14,243,803.09 = 7,571,600.07 : x - Step 2: Convert to fraction form
9,538,943.52/14,243,803.09 = 7,571,600.07/x - Step 3: Cross multiply
9,538,943.52x = 14,243,803.09 × 7,571,600.07 - Step 4: Simplify right side
9,538,943.52x = 107,848,380,454,381.22 - Step 5: Solve for x
x = 107,848,380,454,381.22/9,538,943.52 - Step 6: Final answer
x = 11,306,113.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.