Finding the Fourth Proportional to 18,641,454.89, 27,963,178.79 and 5,862,956.05
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Solution
The fourth proportional to 18,641,454.89, 27,963,178.79 and 5,862,956.05 is: 8,794,747.47
Step by Step Solution
- Step 1: Write the proportion equation
18,641,454.89 : 27,963,178.79 = 5,862,956.05 : x - Step 2: Convert to fraction form
18,641,454.89/27,963,178.79 = 5,862,956.05/x - Step 3: Cross multiply
18,641,454.89x = 27,963,178.79 × 5,862,956.05 - Step 4: Simplify right side
18,641,454.89x = 163,946,888,234,747.41 - Step 5: Solve for x
x = 163,946,888,234,747.41/18,641,454.89 - Step 6: Final answer
x = 8,794,747.47
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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.