Finding the Fourth Proportional to 16,312,034.16, 22,512,041.64 and 8,971,160.76
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Solution
The fourth proportional to 16,312,034.16, 22,512,041.64 and 8,971,160.76 is: 12,380,990.78
Step by Step Solution
- Step 1: Write the proportion equation
16,312,034.16 : 22,512,041.64 = 8,971,160.76 : x - Step 2: Convert to fraction form
16,312,034.16/22,512,041.64 = 8,971,160.76/x - Step 3: Cross multiply
16,312,034.16x = 22,512,041.64 × 8,971,160.76 - Step 4: Simplify right side
16,312,034.16x = 201,959,144,588,254.03 - Step 5: Solve for x
x = 201,959,144,588,254.03/16,312,034.16 - Step 6: Final answer
x = 12,380,990.78
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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.