Finding the Fourth Proportional to 19,282,118.48, 28,923,341.36 and 4,905,198.44
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Solution
The fourth proportional to 19,282,118.48, 28,923,341.36 and 4,905,198.44 is: 7,357,839.29
Step by Step Solution
- Step 1: Write the proportion equation
19,282,118.48 : 28,923,341.36 = 4,905,198.44 : x - Step 2: Convert to fraction form
19,282,118.48/28,923,341.36 = 4,905,198.44/x - Step 3: Cross multiply
19,282,118.48x = 28,923,341.36 × 4,905,198.44 - Step 4: Simplify right side
19,282,118.48x = 141,874,728,918,659.50 - Step 5: Solve for x
x = 141,874,728,918,659.50/19,282,118.48 - Step 6: Final answer
x = 7,357,839.29
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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.