Finding the Fourth Proportional to 8,788,503.47, 12,128,481.20 and 4,920,989.99
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Solution
The fourth proportional to 8,788,503.47, 12,128,481.20 and 4,920,989.99 is: 6,791,160.15
Step by Step Solution
- Step 1: Write the proportion equation
8,788,503.47 : 12,128,481.20 = 4,920,989.99 : x - Step 2: Convert to fraction form
8,788,503.47/12,128,481.20 = 4,920,989.99/x - Step 3: Cross multiply
8,788,503.47x = 12,128,481.20 × 4,920,989.99 - Step 4: Simplify right side
8,788,503.47x = 59,684,134,530,763.27 - Step 5: Solve for x
x = 59,684,134,530,763.27/8,788,503.47 - Step 6: Final answer
x = 6,791,160.15
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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.