Finding the Fourth Proportional to 16,622,420.96, 24,948,957.58 and 8,430,811.53
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Solution
The fourth proportional to 16,622,420.96, 24,948,957.58 and 8,430,811.53 is: 12,653,990.64
Step by Step Solution
- Step 1: Write the proportion equation
16,622,420.96 : 24,948,957.58 = 8,430,811.53 : x - Step 2: Convert to fraction form
16,622,420.96/24,948,957.58 = 8,430,811.53/x - Step 3: Cross multiply
16,622,420.96x = 24,948,957.58 × 8,430,811.53 - Step 4: Simplify right side
16,622,420.96x = 210,339,959,205,867.84 - Step 5: Solve for x
x = 210,339,959,205,867.84/16,622,420.96 - Step 6: Final answer
x = 12,653,990.64
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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.