Finding the Fourth Proportional to 47,726,308.18, 65,860,451.49 and 29,172,513.79
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Solution
The fourth proportional to 47,726,308.18, 65,860,451.49 and 29,172,513.79 is: 40,256,935.90
Step by Step Solution
- Step 1: Write the proportion equation
47,726,308.18 : 65,860,451.49 = 29,172,513.79 : x - Step 2: Convert to fraction form
47,726,308.18/65,860,451.49 = 29,172,513.79/x - Step 3: Cross multiply
47,726,308.18x = 65,860,451.49 × 29,172,513.79 - Step 4: Simplify right side
47,726,308.18x = 1,921,314,929,307,651 - Step 5: Solve for x
x = 1,921,314,929,307,651/47,726,308.18 - Step 6: Final answer
x = 40,256,935.90
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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.