Finding the Fourth Proportional to 49,919,854.05, 74,887,827.28 and 15,376,239.76
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Solution
The fourth proportional to 49,919,854.05, 74,887,827.28 and 15,376,239.76 is: 23,066,838.02
Step by Step Solution
- Step 1: Write the proportion equation
49,919,854.05 : 74,887,827.28 = 15,376,239.76 : x - Step 2: Convert to fraction form
49,919,854.05/74,887,827.28 = 15,376,239.76/x - Step 3: Cross multiply
49,919,854.05x = 74,887,827.28 × 15,376,239.76 - Step 4: Simplify right side
49,919,854.05x = 1,151,493,187,362,748.75 - Step 5: Solve for x
x = 1,151,493,187,362,748.75/49,919,854.05 - Step 6: Final answer
x = 23,066,838.02
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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.