Finding the Fourth Proportional to 10,894,794.73, 16,320,931.97 and 8,487,367
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Solution
The fourth proportional to 10,894,794.73, 16,320,931.97 and 8,487,367 is: 12,714,488.23
Step by Step Solution
- Step 1: Write the proportion equation
10,894,794.73 : 16,320,931.97 = 8,487,367 : x - Step 2: Convert to fraction form
10,894,794.73/16,320,931.97 = 8,487,367/x - Step 3: Cross multiply
10,894,794.73x = 16,320,931.97 × 8,487,367 - Step 4: Simplify right side
10,894,794.73x = 138,521,739,411,423 - Step 5: Solve for x
x = 138,521,739,411,423/10,894,794.73 - Step 6: Final answer
x = 12,714,488.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.