Finding the Fourth Proportional to 10,258,429.96, 15,367,423.74 and 8,341,504.84
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Solution
The fourth proportional to 10,258,429.96, 15,367,423.74 and 8,341,504.84 is: 12,495,814.66
Step by Step Solution
- Step 1: Write the proportion equation
10,258,429.96 : 15,367,423.74 = 8,341,504.84 : x - Step 2: Convert to fraction form
10,258,429.96/15,367,423.74 = 8,341,504.84/x - Step 3: Cross multiply
10,258,429.96x = 15,367,423.74 × 8,341,504.84 - Step 4: Simplify right side
10,258,429.96x = 128,187,439,505,540.91 - Step 5: Solve for x
x = 128,187,439,505,540.91/10,258,429.96 - Step 6: Final answer
x = 12,495,814.66
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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.