Finding the Fourth Proportional to 7,737,368.80, 11,606,053.20 and 6,674,486.80
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Solution
The fourth proportional to 7,737,368.80, 11,606,053.20 and 6,674,486.80 is: 10,011,730.20
Step by Step Solution
- Step 1: Write the proportion equation
7,737,368.80 : 11,606,053.20 = 6,674,486.80 : x - Step 2: Convert to fraction form
7,737,368.80/11,606,053.20 = 6,674,486.80/x - Step 3: Cross multiply
7,737,368.80x = 11,606,053.20 × 6,674,486.80 - Step 4: Simplify right side
7,737,368.80x = 77,464,448,883,497.75 - Step 5: Solve for x
x = 77,464,448,883,497.75/7,737,368.80 - Step 6: Final answer
x = 10,011,730.20
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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.