Finding the Fourth Proportional to 13,544,076.14, 18,689,904.87 and 7,432,898.30
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Solution
The fourth proportional to 13,544,076.14, 18,689,904.87 and 7,432,898.30 is: 10,256,894.65
Step by Step Solution
- Step 1: Write the proportion equation
13,544,076.14 : 18,689,904.87 = 7,432,898.30 : x - Step 2: Convert to fraction form
13,544,076.14/18,689,904.87 = 7,432,898.30/x - Step 3: Cross multiply
13,544,076.14x = 18,689,904.87 × 7,432,898.30 - Step 4: Simplify right side
13,544,076.14x = 138,920,162,135,384.72 - Step 5: Solve for x
x = 138,920,162,135,384.72/13,544,076.14 - Step 6: Final answer
x = 10,256,894.65
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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.