Finding the Fourth Proportional to 16,430,895.36, 22,672,890.48 and 9,087,561.60
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Solution
The fourth proportional to 16,430,895.36, 22,672,890.48 and 9,087,561.60 is: 12,539,869.82
Step by Step Solution
- Step 1: Write the proportion equation
16,430,895.36 : 22,672,890.48 = 9,087,561.60 : x - Step 2: Convert to fraction form
16,430,895.36/22,672,890.48 = 9,087,561.60/x - Step 3: Cross multiply
16,430,895.36x = 22,672,890.48 × 9,087,561.60 - Step 4: Simplify right side
16,430,895.36x = 206,041,288,887,053.56 - Step 5: Solve for x
x = 206,041,288,887,053.56/16,430,895.36 - Step 6: Final answer
x = 12,539,869.82
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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.