Finding the Fourth Proportional to 13,464,929.79, 20,227,288.26 and 8,351,138.76
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Solution
The fourth proportional to 13,464,929.79, 20,227,288.26 and 8,351,138.76 is: 12,545,248.56
Step by Step Solution
- Step 1: Write the proportion equation
13,464,929.79 : 20,227,288.26 = 8,351,138.76 : x - Step 2: Convert to fraction form
13,464,929.79/20,227,288.26 = 8,351,138.76/x - Step 3: Cross multiply
13,464,929.79x = 20,227,288.26 × 8,351,138.76 - Step 4: Simplify right side
13,464,929.79x = 168,920,890,997,778.97 - Step 5: Solve for x
x = 168,920,890,997,778.97/13,464,929.79 - Step 6: Final answer
x = 12,545,248.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.