Finding the Fourth Proportional to 19,730,473.98, 29,575,538.73 and 11,192,775.90
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Solution
The fourth proportional to 19,730,473.98, 29,575,538.73 and 11,192,775.90 is: 16,777,720.47
Step by Step Solution
- Step 1: Write the proportion equation
19,730,473.98 : 29,575,538.73 = 11,192,775.90 : x - Step 2: Convert to fraction form
19,730,473.98/29,575,538.73 = 11,192,775.90/x - Step 3: Cross multiply
19,730,473.98x = 29,575,538.73 × 11,192,775.90 - Step 4: Simplify right side
19,730,473.98x = 331,032,377,126,660.62 - Step 5: Solve for x
x = 331,032,377,126,660.62/19,730,473.98 - Step 6: Final answer
x = 16,777,720.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.