Finding the Fourth Proportional to 7,992,182.40, 11,982,368.70 and 4,402,003.20
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Solution
The fourth proportional to 7,992,182.40, 11,982,368.70 and 4,402,003.20 is: 6,599,752.45
Step by Step Solution
- Step 1: Write the proportion equation
7,992,182.40 : 11,982,368.70 = 4,402,003.20 : x - Step 2: Convert to fraction form
7,992,182.40/11,982,368.70 = 4,402,003.20/x - Step 3: Cross multiply
7,992,182.40x = 11,982,368.70 × 4,402,003.20 - Step 4: Simplify right side
7,992,182.40x = 52,746,425,360,979.84 - Step 5: Solve for x
x = 52,746,425,360,979.84/7,992,182.40 - Step 6: Final answer
x = 6,599,752.45
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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.