Finding the Fourth Proportional to 19,488,201.40, 29,207,418.90 and 14,978,121.40
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Solution
The fourth proportional to 19,488,201.40, 29,207,418.90 and 14,978,121.40 is: 22,448,057.52
Step by Step Solution
- Step 1: Write the proportion equation
19,488,201.40 : 29,207,418.90 = 14,978,121.40 : x - Step 2: Convert to fraction form
19,488,201.40/29,207,418.90 = 14,978,121.40/x - Step 3: Cross multiply
19,488,201.40x = 29,207,418.90 × 14,978,121.40 - Step 4: Simplify right side
19,488,201.40x = 437,472,266,064,854.44 - Step 5: Solve for x
x = 437,472,266,064,854.44/19,488,201.40 - Step 6: Final answer
x = 22,448,057.52
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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.