Finding the Fourth Proportional to 19,135,134.41, 28,686,444.91 and 8,905,934.39
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Solution
The fourth proportional to 19,135,134.41, 28,686,444.91 and 8,905,934.39 is: 13,351,335.33
Step by Step Solution
- Step 1: Write the proportion equation
19,135,134.41 : 28,686,444.91 = 8,905,934.39 : x - Step 2: Convert to fraction form
19,135,134.41/28,686,444.91 = 8,905,934.39/x - Step 3: Cross multiply
19,135,134.41x = 28,686,444.91 × 8,905,934.39 - Step 4: Simplify right side
19,135,134.41x = 255,479,596,085,112.38 - Step 5: Solve for x
x = 255,479,596,085,112.38/19,135,134.41 - Step 6: Final answer
x = 13,351,335.33
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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.