Finding the Fourth Proportional to 11,050,370.84, 15,247,488.12 and 6,155,471.18
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Solution
The fourth proportional to 11,050,370.84, 15,247,488.12 and 6,155,471.18 is: 8,493,422.99
Step by Step Solution
- Step 1: Write the proportion equation
11,050,370.84 : 15,247,488.12 = 6,155,471.18 : x - Step 2: Convert to fraction form
11,050,370.84/15,247,488.12 = 6,155,471.18/x - Step 3: Cross multiply
11,050,370.84x = 15,247,488.12 × 6,155,471.18 - Step 4: Simplify right side
11,050,370.84x = 93,855,473,690,052.38 - Step 5: Solve for x
x = 93,855,473,690,052.38/11,050,370.84 - Step 6: Final answer
x = 8,493,422.99
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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.