Finding the Fourth Proportional to 16,155,817.92, 22,294,669.92 and 8,912,472
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Solution
The fourth proportional to 16,155,817.92, 22,294,669.92 and 8,912,472 is: 12,299,013.42
Step by Step Solution
- Step 1: Write the proportion equation
16,155,817.92 : 22,294,669.92 = 8,912,472 : x - Step 2: Convert to fraction form
16,155,817.92/22,294,669.92 = 8,912,472/x - Step 3: Cross multiply
16,155,817.92x = 22,294,669.92 × 8,912,472 - Step 4: Simplify right side
16,155,817.92x = 198,700,621,411,242.25 - Step 5: Solve for x
x = 198,700,621,411,242.25/16,155,817.92 - Step 6: Final answer
x = 12,299,013.42
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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.