Finding the Fourth Proportional to 7,915,788.14, 10,923,808.68 and 4,294,116.14
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Solution
The fourth proportional to 7,915,788.14, 10,923,808.68 and 4,294,116.14 is: 5,925,891.69
Step by Step Solution
- Step 1: Write the proportion equation
7,915,788.14 : 10,923,808.68 = 4,294,116.14 : x - Step 2: Convert to fraction form
7,915,788.14/10,923,808.68 = 4,294,116.14/x - Step 3: Cross multiply
7,915,788.14x = 10,923,808.68 × 4,294,116.14 - Step 4: Simplify right side
7,915,788.14x = 46,908,103,163,060.09 - Step 5: Solve for x
x = 46,908,103,163,060.09/7,915,788.14 - Step 6: Final answer
x = 5,925,891.69
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1.5x scale
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.