Finding the Fourth Proportional to 29,439,475.68, 40,626,936 and 16,386,876.48
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Solution
The fourth proportional to 29,439,475.68, 40,626,936 and 16,386,876.48 is: 22,614,145.35
Step by Step Solution
- Step 1: Write the proportion equation
29,439,475.68 : 40,626,936 = 16,386,876.48 : x - Step 2: Convert to fraction form
29,439,475.68/40,626,936 = 16,386,876.48/x - Step 3: Cross multiply
29,439,475.68x = 40,626,936 × 16,386,876.48 - Step 4: Simplify right side
29,439,475.68x = 665,748,581,992,865.25 - Step 5: Solve for x
x = 665,748,581,992,865.25/29,439,475.68 - Step 6: Final answer
x = 22,614,145.35
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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.