Finding the Fourth Proportional to 22,495,438.88, 31,043,658 and 12,182,130.08
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Solution
The fourth proportional to 22,495,438.88, 31,043,658 and 12,182,130.08 is: 16,811,313.70
Step by Step Solution
- Step 1: Write the proportion equation
22,495,438.88 : 31,043,658 = 12,182,130.08 : x - Step 2: Convert to fraction form
22,495,438.88/31,043,658 = 12,182,130.08/x - Step 3: Cross multiply
22,495,438.88x = 31,043,658 × 12,182,130.08 - Step 4: Simplify right side
22,495,438.88x = 378,177,879,915,032.62 - Step 5: Solve for x
x = 378,177,879,915,032.62/22,495,438.88 - Step 6: Final answer
x = 16,811,313.70
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1.5x scale
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.