Finding the Fourth Proportional to 10,631,784.40, 15,959,486.40 and 6,592,832.80
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Solution
The fourth proportional to 10,631,784.40, 15,959,486.40 and 6,592,832.80 is: 9,896,572.53
Step by Step Solution
- Step 1: Write the proportion equation
10,631,784.40 : 15,959,486.40 = 6,592,832.80 : x - Step 2: Convert to fraction form
10,631,784.40/15,959,486.40 = 6,592,832.80/x - Step 3: Cross multiply
10,631,784.40x = 15,959,486.40 × 6,592,832.80 - Step 4: Simplify right side
10,631,784.40x = 105,218,225,409,073.92 - Step 5: Solve for x
x = 105,218,225,409,073.92/10,631,784.40 - Step 6: Final answer
x = 9,896,572.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.