Finding the Fourth Proportional to 15,918,089.58, 23,874,364.16 and 5,135,390.44
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Solution
The fourth proportional to 15,918,089.58, 23,874,364.16 and 5,135,390.44 is: 7,702,191.95
Step by Step Solution
- Step 1: Write the proportion equation
15,918,089.58 : 23,874,364.16 = 5,135,390.44 : x - Step 2: Convert to fraction form
15,918,089.58/23,874,364.16 = 5,135,390.44/x - Step 3: Cross multiply
15,918,089.58x = 23,874,364.16 × 5,135,390.44 - Step 4: Simplify right side
15,918,089.58x = 122,604,181,468,342.64 - Step 5: Solve for x
x = 122,604,181,468,342.64/15,918,089.58 - Step 6: Final answer
x = 7,702,191.95
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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.