Finding the Fourth Proportional to 26,965,620.48, 37,216,202.46 and 15,207,306.90
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Solution
The fourth proportional to 26,965,620.48, 37,216,202.46 and 15,207,306.90 is: 20,988,139.80
Step by Step Solution
- Step 1: Write the proportion equation
26,965,620.48 : 37,216,202.46 = 15,207,306.90 : x - Step 2: Convert to fraction form
26,965,620.48/37,216,202.46 = 15,207,306.90/x - Step 3: Cross multiply
26,965,620.48x = 37,216,202.46 × 15,207,306.90 - Step 4: Simplify right side
26,965,620.48x = 565,958,212,461,755 - Step 5: Solve for x
x = 565,958,212,461,755/26,965,620.48 - Step 6: Final answer
x = 20,988,139.80
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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.