Finding the Fourth Proportional to 52,045,603.74, 71,823,358.26 and 28,841,118.12
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Solution
The fourth proportional to 52,045,603.74, 71,823,358.26 and 28,841,118.12 is: 39,800,978.57
Step by Step Solution
- Step 1: Write the proportion equation
52,045,603.74 : 71,823,358.26 = 28,841,118.12 : x - Step 2: Convert to fraction form
52,045,603.74/71,823,358.26 = 28,841,118.12/x - Step 3: Cross multiply
52,045,603.74x = 71,823,358.26 × 28,841,118.12 - Step 4: Simplify right side
52,045,603.74x = 2,071,465,959,351,738 - Step 5: Solve for x
x = 2,071,465,959,351,738/52,045,603.74 - Step 6: Final answer
x = 39,800,978.57
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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.