Finding the Fourth Proportional to 29,262,257.83, 43,715,409.53 and 18,943,051.42
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Solution
The fourth proportional to 29,262,257.83, 43,715,409.53 and 18,943,051.42 is: 28,299,362.80
Step by Step Solution
- Step 1: Write the proportion equation
29,262,257.83 : 43,715,409.53 = 18,943,051.42 : x - Step 2: Convert to fraction form
29,262,257.83/43,715,409.53 = 18,943,051.42/x - Step 3: Cross multiply
29,262,257.83x = 43,715,409.53 × 18,943,051.42 - Step 4: Simplify right side
29,262,257.83x = 828,103,250,573,148.12 - Step 5: Solve for x
x = 828,103,250,573,148.12/29,262,257.83 - Step 6: Final answer
x = 28,299,362.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.