Finding the Fourth Proportional to 10,921,528.90, 16,392,790.95 and 5,536,260.10
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Solution
The fourth proportional to 10,921,528.90, 16,392,790.95 and 5,536,260.10 is: 8,309,711.52
Step by Step Solution
- Step 1: Write the proportion equation
10,921,528.90 : 16,392,790.95 = 5,536,260.10 : x - Step 2: Convert to fraction form
10,921,528.90/16,392,790.95 = 5,536,260.10/x - Step 3: Cross multiply
10,921,528.90x = 16,392,790.95 × 5,536,260.10 - Step 4: Simplify right side
10,921,528.90x = 90,754,754,464,126.08 - Step 5: Solve for x
x = 90,754,754,464,126.08/10,921,528.90 - Step 6: Final answer
x = 8,309,711.52
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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.