Finding the Fourth Proportional to 53,381,518.76, 73,664,521.62 and 28,934,707.88
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Solution
The fourth proportional to 53,381,518.76, 73,664,521.62 and 28,934,707.88 is: 39,928,826.75
Step by Step Solution
- Step 1: Write the proportion equation
53,381,518.76 : 73,664,521.62 = 28,934,707.88 : x - Step 2: Convert to fraction form
53,381,518.76/73,664,521.62 = 28,934,707.88/x - Step 3: Cross multiply
53,381,518.76x = 73,664,521.62 × 28,934,707.88 - Step 4: Simplify right side
53,381,518.76x = 2,131,461,414,194,644.50 - Step 5: Solve for x
x = 2,131,461,414,194,644.50/53,381,518.76 - Step 6: Final answer
x = 39,928,826.75
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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.