Finding the Fourth Proportional to 24,234,478.56, 33,443,688.60 and 13,221,194.76
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Solution
The fourth proportional to 24,234,478.56, 33,443,688.60 and 13,221,194.76 is: 18,245,307.79
Step by Step Solution
- Step 1: Write the proportion equation
24,234,478.56 : 33,443,688.60 = 13,221,194.76 : x - Step 2: Convert to fraction form
24,234,478.56/33,443,688.60 = 13,221,194.76/x - Step 3: Cross multiply
24,234,478.56x = 33,443,688.60 × 13,221,194.76 - Step 4: Simplify right side
24,234,478.56x = 442,165,520,473,391.75 - Step 5: Solve for x
x = 442,165,520,473,391.75/24,234,478.56 - Step 6: Final answer
x = 18,245,307.79
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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.