Finding the Fourth Proportional to 56,489,425.70, 84,734,138.55 and 15,548,785.70
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Solution
The fourth proportional to 56,489,425.70, 84,734,138.55 and 15,548,785.70 is: 23,323,178.55
Step by Step Solution
- Step 1: Write the proportion equation
56,489,425.70 : 84,734,138.55 = 15,548,785.70 : x - Step 2: Convert to fraction form
56,489,425.70/84,734,138.55 = 15,548,785.70/x - Step 3: Cross multiply
56,489,425.70x = 84,734,138.55 × 15,548,785.70 - Step 4: Simplify right side
56,489,425.70x = 1,317,512,961,788,058.75 - Step 5: Solve for x
x = 1,317,512,961,788,058.75/56,489,425.70 - Step 6: Final answer
x = 23,323,178.55
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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.