Finding the Fourth Proportional to 49,276,746.72, 73,862,865.12 and 18,971,497.44
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Solution
The fourth proportional to 49,276,746.72, 73,862,865.12 and 18,971,497.44 is: 28,437,128.05
Step by Step Solution
- Step 1: Write the proportion equation
49,276,746.72 : 73,862,865.12 = 18,971,497.44 : x - Step 2: Convert to fraction form
49,276,746.72/73,862,865.12 = 18,971,497.44/x - Step 3: Cross multiply
49,276,746.72x = 73,862,865.12 × 18,971,497.44 - Step 4: Simplify right side
49,276,746.72x = 1,401,289,156,535,145.50 - Step 5: Solve for x
x = 1,401,289,156,535,145.50/49,276,746.72 - Step 6: Final answer
x = 28,437,128.05
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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.