Finding the Fourth Proportional to 7,539,788.14, 10,404,467.66 and 4,231,775.02
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Solution
The fourth proportional to 7,539,788.14, 10,404,467.66 and 4,231,775.02 is: 5,839,602.59
Step by Step Solution
- Step 1: Write the proportion equation
7,539,788.14 : 10,404,467.66 = 4,231,775.02 : x - Step 2: Convert to fraction form
7,539,788.14/10,404,467.66 = 4,231,775.02/x - Step 3: Cross multiply
7,539,788.14x = 10,404,467.66 × 4,231,775.02 - Step 4: Simplify right side
7,539,788.14x = 44,029,366,339,985.85 - Step 5: Solve for x
x = 44,029,366,339,985.85/7,539,788.14 - Step 6: Final answer
x = 5,839,602.59
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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.