Finding the Fourth Proportional to 8,600,772.22, 12,909,129.93 and 4,343,929.84
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Solution
The fourth proportional to 8,600,772.22, 12,909,129.93 and 4,343,929.84 is: 6,519,920.92
Step by Step Solution
- Step 1: Write the proportion equation
8,600,772.22 : 12,909,129.93 = 4,343,929.84 : x - Step 2: Convert to fraction form
8,600,772.22/12,909,129.93 = 4,343,929.84/x - Step 3: Cross multiply
8,600,772.22x = 12,909,129.93 × 4,343,929.84 - Step 4: Simplify right side
8,600,772.22x = 56,076,354,711,364.11 - Step 5: Solve for x
x = 56,076,354,711,364.11/8,600,772.22 - Step 6: Final answer
x = 6,519,920.92
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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.