Finding the Fourth Proportional to 11,553,591.28, 15,944,454.18 and 6,396,952.81
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Solution
The fourth proportional to 11,553,591.28, 15,944,454.18 and 6,396,952.81 is: 8,828,070.73
Step by Step Solution
- Step 1: Write the proportion equation
11,553,591.28 : 15,944,454.18 = 6,396,952.81 : x - Step 2: Convert to fraction form
11,553,591.28/15,944,454.18 = 6,396,952.81/x - Step 3: Cross multiply
11,553,591.28x = 15,944,454.18 × 6,396,952.81 - Step 4: Simplify right side
11,553,591.28x = 101,995,920,970,667.23 - Step 5: Solve for x
x = 101,995,920,970,667.23/11,553,591.28 - Step 6: Final answer
x = 8,828,070.73
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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.