Finding the Fourth Proportional to 7,335,497.70, 11,003,246.55 and 4,304,315.70
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Solution
The fourth proportional to 7,335,497.70, 11,003,246.55 and 4,304,315.70 is: 6,456,473.55
Step by Step Solution
- Step 1: Write the proportion equation
7,335,497.70 : 11,003,246.55 = 4,304,315.70 : x - Step 2: Convert to fraction form
7,335,497.70/11,003,246.55 = 4,304,315.70/x - Step 3: Cross multiply
7,335,497.70x = 11,003,246.55 × 4,304,315.70 - Step 4: Simplify right side
7,335,497.70x = 47,361,446,876,135.84 - Step 5: Solve for x
x = 47,361,446,876,135.84/7,335,497.70 - Step 6: Final answer
x = 6,456,473.55
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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.