Finding the Fourth Proportional to 18,441,680.80, 27,670,394.40 and 8,852,123.20
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Solution
The fourth proportional to 18,441,680.80, 27,670,394.40 and 8,852,123.20 is: 13,281,963.99
Step by Step Solution
- Step 1: Write the proportion equation
18,441,680.80 : 27,670,394.40 = 8,852,123.20 : x - Step 2: Convert to fraction form
18,441,680.80/27,670,394.40 = 8,852,123.20/x - Step 3: Cross multiply
18,441,680.80x = 27,670,394.40 × 8,852,123.20 - Step 4: Simplify right side
18,441,680.80x = 244,941,740,221,390.03 - Step 5: Solve for x
x = 244,941,740,221,390.03/18,441,680.80 - Step 6: Final answer
x = 13,281,963.99
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1.5x scale
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.