Finding the Fourth Proportional to 8,911,407.58, 12,297,424.20 and 5,043,845.68
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Solution
The fourth proportional to 8,911,407.58, 12,297,424.20 and 5,043,845.68 is: 6,960,326.90
Step by Step Solution
- Step 1: Write the proportion equation
8,911,407.58 : 12,297,424.20 = 5,043,845.68 : x - Step 2: Convert to fraction form
8,911,407.58/12,297,424.20 = 5,043,845.68/x - Step 3: Cross multiply
8,911,407.58x = 12,297,424.20 × 5,043,845.68 - Step 4: Simplify right side
8,911,407.58x = 62,026,309,926,297.45 - Step 5: Solve for x
x = 62,026,309,926,297.45/8,911,407.58 - Step 6: Final answer
x = 6,960,326.90
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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.