Finding the Fourth Proportional to 53,381,516.76, 73,664,518.86 and 28,934,705.88
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Solution
The fourth proportional to 53,381,516.76, 73,664,518.86 and 28,934,705.88 is: 39,928,823.99
Step by Step Solution
- Step 1: Write the proportion equation
53,381,516.76 : 73,664,518.86 = 28,934,705.88 : x - Step 2: Convert to fraction form
53,381,516.76/73,664,518.86 = 28,934,705.88/x - Step 3: Cross multiply
53,381,516.76x = 73,664,518.86 × 28,934,705.88 - Step 4: Simplify right side
53,381,516.76x = 2,131,461,187,005,812.75 - Step 5: Solve for x
x = 2,131,461,187,005,812.75/53,381,516.76 - Step 6: Final answer
x = 39,928,823.99
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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.