Finding the Fourth Proportional to 19,860,130.46, 29,790,151.92 and 5,287,053.32
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Solution
The fourth proportional to 19,860,130.46, 29,790,151.92 and 5,287,053.32 is: 7,930,568.33
Step by Step Solution
- Step 1: Write the proportion equation
19,860,130.46 : 29,790,151.92 = 5,287,053.32 : x - Step 2: Convert to fraction form
19,860,130.46/29,790,151.92 = 5,287,053.32/x - Step 3: Cross multiply
19,860,130.46x = 29,790,151.92 × 5,287,053.32 - Step 4: Simplify right side
19,860,130.46x = 157,502,121,611,940.41 - Step 5: Solve for x
x = 157,502,121,611,940.41/19,860,130.46 - Step 6: Final answer
x = 7,930,568.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.