Finding the Fourth Proportional to 8,717,916.18, 12,031,299.30 and 4,850,445.42
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Solution
The fourth proportional to 8,717,916.18, 12,031,299.30 and 4,850,445.42 is: 6,693,934.58
Step by Step Solution
- Step 1: Write the proportion equation
8,717,916.18 : 12,031,299.30 = 4,850,445.42 : x - Step 2: Convert to fraction form
8,717,916.18/12,031,299.30 = 4,850,445.42/x - Step 3: Cross multiply
8,717,916.18x = 12,031,299.30 × 4,850,445.42 - Step 4: Simplify right side
8,717,916.18x = 58,357,160,586,334.21 - Step 5: Solve for x
x = 58,357,160,586,334.21/8,717,916.18 - Step 6: Final answer
x = 6,693,934.58
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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.