Finding the Fourth Proportional to 9,177,634.16, 12,665,444.46 and 5,047,984.68
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Solution
The fourth proportional to 9,177,634.16, 12,665,444.46 and 5,047,984.68 is: 6,966,388.99
Step by Step Solution
- Step 1: Write the proportion equation
9,177,634.16 : 12,665,444.46 = 5,047,984.68 : x - Step 2: Convert to fraction form
9,177,634.16/12,665,444.46 = 5,047,984.68/x - Step 3: Cross multiply
9,177,634.16x = 12,665,444.46 × 5,047,984.68 - Step 4: Simplify right side
9,177,634.16x = 63,934,969,599,470.88 - Step 5: Solve for x
x = 63,934,969,599,470.88/9,177,634.16 - Step 6: Final answer
x = 6,966,388.99
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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.