Finding the Fourth Proportional to 15,103,823.84, 20,842,549.80 and 8,576,591.12
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Solution
The fourth proportional to 15,103,823.84, 20,842,549.80 and 8,576,591.12 is: 11,835,282.87
Step by Step Solution
- Step 1: Write the proportion equation
15,103,823.84 : 20,842,549.80 = 8,576,591.12 : x - Step 2: Convert to fraction form
15,103,823.84/20,842,549.80 = 8,576,591.12/x - Step 3: Cross multiply
15,103,823.84x = 20,842,549.80 × 8,576,591.12 - Step 4: Simplify right side
15,103,823.84x = 178,758,027,532,837.75 - Step 5: Solve for x
x = 178,758,027,532,837.75/15,103,823.84 - Step 6: Final answer
x = 11,835,282.87
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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.