Finding the Fourth Proportional to 56,551,846.20, 84,771,782.10 and 27,774,425.40
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Solution
The fourth proportional to 56,551,846.20, 84,771,782.10 and 27,774,425.40 is: 41,634,140.99
Step by Step Solution
- Step 1: Write the proportion equation
56,551,846.20 : 84,771,782.10 = 27,774,425.40 : x - Step 2: Convert to fraction form
56,551,846.20/84,771,782.10 = 27,774,425.40/x - Step 3: Cross multiply
56,551,846.20x = 84,771,782.10 × 27,774,425.40 - Step 4: Simplify right side
56,551,846.20x = 2,354,487,537,961,505 - Step 5: Solve for x
x = 2,354,487,537,961,505/56,551,846.20 - Step 6: Final answer
x = 41,634,140.99
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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.