Finding the Fourth Proportional to 11,307,264.53, 16,962,788.45 and 8,878,319.75
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Solution
The fourth proportional to 11,307,264.53, 16,962,788.45 and 8,878,319.75 is: 13,318,964.92
Step by Step Solution
- Step 1: Write the proportion equation
11,307,264.53 : 16,962,788.45 = 8,878,319.75 : x - Step 2: Convert to fraction form
11,307,264.53/16,962,788.45 = 8,878,319.75/x - Step 3: Cross multiply
11,307,264.53x = 16,962,788.45 × 8,878,319.75 - Step 4: Simplify right side
11,307,264.53x = 150,601,059,666,315.28 - Step 5: Solve for x
x = 150,601,059,666,315.28/11,307,264.53 - Step 6: Final answer
x = 13,318,964.92
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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.