Finding the Fourth Proportional to 7,915,782.14, 10,923,800.40 and 4,294,110.14
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Solution
The fourth proportional to 7,915,782.14, 10,923,800.40 and 4,294,110.14 is: 5,925,883.41
Step by Step Solution
- Step 1: Write the proportion equation
7,915,782.14 : 10,923,800.40 = 4,294,110.14 : x - Step 2: Convert to fraction form
7,915,782.14/10,923,800.40 = 4,294,110.14/x - Step 3: Cross multiply
7,915,782.14x = 10,923,800.40 × 4,294,110.14 - Step 4: Simplify right side
7,915,782.14x = 46,908,002,064,976.05 - Step 5: Solve for x
x = 46,908,002,064,976.05/7,915,782.14 - Step 6: Final answer
x = 5,925,883.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.