Finding the Fourth Proportional to 16,288,312.68, 22,478,142.43 and 8,946,825.23
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Solution
The fourth proportional to 16,288,312.68, 22,478,142.43 and 8,946,825.23 is: 12,346,767.64
Step by Step Solution
- Step 1: Write the proportion equation
16,288,312.68 : 22,478,142.43 = 8,946,825.23 : x - Step 2: Convert to fraction form
16,288,312.68/22,478,142.43 = 8,946,825.23/x - Step 3: Cross multiply
16,288,312.68x = 22,478,142.43 × 8,946,825.23 - Step 4: Simplify right side
16,288,312.68x = 201,108,011,883,636.38 - Step 5: Solve for x
x = 201,108,011,883,636.38/16,288,312.68 - Step 6: Final answer
x = 12,346,767.64
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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.