Finding the Fourth Proportional to 16,121,874.84, 22,248,089.82 and 8,878,479
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Solution
The fourth proportional to 16,121,874.84, 22,248,089.82 and 8,878,479 is: 12,252,247.35
Step by Step Solution
- Step 1: Write the proportion equation
16,121,874.84 : 22,248,089.82 = 8,878,479 : x - Step 2: Convert to fraction form
16,121,874.84/22,248,089.82 = 8,878,479/x - Step 3: Cross multiply
16,121,874.84x = 22,248,089.82 × 8,878,479 - Step 4: Simplify right side
16,121,874.84x = 197,529,198,256,983.78 - Step 5: Solve for x
x = 197,529,198,256,983.78/16,121,874.84 - Step 6: Final answer
x = 12,252,247.35
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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.