Finding the Fourth Proportional to 13,341,895.30, 18,413,789.97 and 8,447,572.36
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Solution
The fourth proportional to 13,341,895.30, 18,413,789.97 and 8,447,572.36 is: 11,658,900.01
Step by Step Solution
- Step 1: Write the proportion equation
13,341,895.30 : 18,413,789.97 = 8,447,572.36 : x - Step 2: Convert to fraction form
13,341,895.30/18,413,789.97 = 8,447,572.36/x - Step 3: Cross multiply
13,341,895.30x = 18,413,789.97 × 8,447,572.36 - Step 4: Simplify right side
13,341,895.30x = 155,551,823,193,417.22 - Step 5: Solve for x
x = 155,551,823,193,417.22/13,341,895.30 - Step 6: Final answer
x = 11,658,900.01
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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.