Finding the Fourth Proportional to 28,460,020.66, 42,689,877.68 and 6,894,611.44
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Solution
The fourth proportional to 28,460,020.66, 42,689,877.68 and 6,894,611.44 is: 10,341,880.02
Step by Step Solution
- Step 1: Write the proportion equation
28,460,020.66 : 42,689,877.68 = 6,894,611.44 : x - Step 2: Convert to fraction form
28,460,020.66/42,689,877.68 = 6,894,611.44/x - Step 3: Cross multiply
28,460,020.66x = 42,689,877.68 × 6,894,611.44 - Step 4: Simplify right side
28,460,020.66x = 294,330,119,024,728.69 - Step 5: Solve for x
x = 294,330,119,024,728.69/28,460,020.66 - Step 6: Final answer
x = 10,341,880.02
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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.