Finding the Fourth Proportional to 8,867,859.12, 12,237,649.20 and 4,793,478.12
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Solution
The fourth proportional to 8,867,859.12, 12,237,649.20 and 4,793,478.12 is: 6,615,001.76
Step by Step Solution
- Step 1: Write the proportion equation
8,867,859.12 : 12,237,649.20 = 4,793,478.12 : x - Step 2: Convert to fraction form
8,867,859.12/12,237,649.20 = 4,793,478.12/x - Step 3: Cross multiply
8,867,859.12x = 12,237,649.20 × 4,793,478.12 - Step 4: Simplify right side
8,867,859.12x = 58,660,903,680,435.50 - Step 5: Solve for x
x = 58,660,903,680,435.50/8,867,859.12 - Step 6: Final answer
x = 6,615,001.76
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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.