Finding the Fourth Proportional to 7,802,759.30, 11,704,138.95 and 5,913,191.30
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Solution
The fourth proportional to 7,802,759.30, 11,704,138.95 and 5,913,191.30 is: 8,869,786.95
Step by Step Solution
- Step 1: Write the proportion equation
7,802,759.30 : 11,704,138.95 = 5,913,191.30 : x - Step 2: Convert to fraction form
7,802,759.30/11,704,138.95 = 5,913,191.30/x - Step 3: Cross multiply
7,802,759.30x = 11,704,138.95 × 5,913,191.30 - Step 4: Simplify right side
7,802,759.30x = 69,208,812,613,131.12 - Step 5: Solve for x
x = 69,208,812,613,131.12/7,802,759.30 - Step 6: Final answer
x = 8,869,786.95
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1.5x scale
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.