Finding the Fourth Proportional to 8,733,973.21, 12,052,930.83 and 5,065,065.08
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Solution
The fourth proportional to 8,733,973.21, 12,052,930.83 and 5,065,065.08 is: 6,989,817.53
Step by Step Solution
- Step 1: Write the proportion equation
8,733,973.21 : 12,052,930.83 = 5,065,065.08 : x - Step 2: Convert to fraction form
8,733,973.21/12,052,930.83 = 5,065,065.08/x - Step 3: Cross multiply
8,733,973.21x = 12,052,930.83 × 5,065,065.08 - Step 4: Simplify right side
8,733,973.21x = 61,048,878,998,423.77 - Step 5: Solve for x
x = 61,048,878,998,423.77/8,733,973.21 - Step 6: Final answer
x = 6,989,817.53
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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.