Finding the Fourth Proportional to 23,328,164.20, 34,992,246.30 and 12,578,621.80
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Solution
The fourth proportional to 23,328,164.20, 34,992,246.30 and 12,578,621.80 is: 18,867,932.70
Step by Step Solution
- Step 1: Write the proportion equation
23,328,164.20 : 34,992,246.30 = 12,578,621.80 : x - Step 2: Convert to fraction form
23,328,164.20/34,992,246.30 = 12,578,621.80/x - Step 3: Cross multiply
23,328,164.20x = 34,992,246.30 × 12,578,621.80 - Step 4: Simplify right side
23,328,164.20x = 440,154,232,140,149.31 - Step 5: Solve for x
x = 440,154,232,140,149.31/23,328,164.20 - Step 6: Final answer
x = 18,867,932.70
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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.