Finding the Fourth Proportional to 16,496,903.85, 22,765,974.99 and 9,155,212.62
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Solution
The fourth proportional to 16,496,903.85, 22,765,974.99 and 9,155,212.62 is: 12,634,330.87
Step by Step Solution
- Step 1: Write the proportion equation
16,496,903.85 : 22,765,974.99 = 9,155,212.62 : x - Step 2: Convert to fraction form
16,496,903.85/22,765,974.99 = 9,155,212.62/x - Step 3: Cross multiply
16,496,903.85x = 22,765,974.99 × 9,155,212.62 - Step 4: Simplify right side
16,496,903.85x = 208,427,341,535,052.34 - Step 5: Solve for x
x = 208,427,341,535,052.34/16,496,903.85 - Step 6: Final answer
x = 12,634,330.87
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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.