Finding the Fourth Proportional to 11,973,773.28, 17,967,746.88 and 4,406,053.44
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Solution
The fourth proportional to 11,973,773.28, 17,967,746.88 and 4,406,053.44 is: 6,611,687.99
Step by Step Solution
- Step 1: Write the proportion equation
11,973,773.28 : 17,967,746.88 = 4,406,053.44 : x - Step 2: Convert to fraction form
11,973,773.28/17,967,746.88 = 4,406,053.44/x - Step 3: Cross multiply
11,973,773.28x = 17,967,746.88 × 4,406,053.44 - Step 4: Simplify right side
11,973,773.28x = 79,166,852,949,673.27 - Step 5: Solve for x
x = 79,166,852,949,673.27/11,973,773.28 - Step 6: Final answer
x = 6,611,687.99
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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.