Finding the Fourth Proportional to 18,982,392.48, 28,475,064.45 and 6,204,188.88
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Solution
The fourth proportional to 18,982,392.48, 28,475,064.45 and 6,204,188.88 is: 9,306,765.65
Step by Step Solution
- Step 1: Write the proportion equation
18,982,392.48 : 28,475,064.45 = 6,204,188.88 : x - Step 2: Convert to fraction form
18,982,392.48/28,475,064.45 = 6,204,188.88/x - Step 3: Cross multiply
18,982,392.48x = 28,475,064.45 × 6,204,188.88 - Step 4: Simplify right side
18,982,392.48x = 176,664,678,217,973.31 - Step 5: Solve for x
x = 176,664,678,217,973.31/18,982,392.48 - Step 6: Final answer
x = 9,306,765.65
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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.