Finding the Fourth Proportional to 7,881,122.07, 11,818,008.95 and 4,093,587.99
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Solution
The fourth proportional to 7,881,122.07, 11,818,008.95 and 4,093,587.99 is: 6,138,473.56
Step by Step Solution
- Step 1: Write the proportion equation
7,881,122.07 : 11,818,008.95 = 4,093,587.99 : x - Step 2: Convert to fraction form
7,881,122.07/11,818,008.95 = 4,093,587.99/x - Step 3: Cross multiply
7,881,122.07x = 11,818,008.95 × 4,093,587.99 - Step 4: Simplify right side
7,881,122.07x = 48,378,059,482,964.58 - Step 5: Solve for x
x = 48,378,059,482,964.58/7,881,122.07 - Step 6: Final answer
x = 6,138,473.56
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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.