Finding the Fourth Proportional to 10,366,531.55, 15,556,795.73 and 6,763,521.95
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Solution
The fourth proportional to 10,366,531.55, 15,556,795.73 and 6,763,521.95 is: 10,149,848.95
Step by Step Solution
- Step 1: Write the proportion equation
10,366,531.55 : 15,556,795.73 = 6,763,521.95 : x - Step 2: Convert to fraction form
10,366,531.55/15,556,795.73 = 6,763,521.95/x - Step 3: Cross multiply
10,366,531.55x = 15,556,795.73 × 6,763,521.95 - Step 4: Simplify right side
10,366,531.55x = 105,218,729,391,521.28 - Step 5: Solve for x
x = 105,218,729,391,521.28/10,366,531.55 - Step 6: Final answer
x = 10,149,848.95
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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.