Finding the Fourth Proportional to 13,757,723.34, 18,985,719.57 and 7,563,169.26
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Solution
The fourth proportional to 13,757,723.34, 18,985,719.57 and 7,563,169.26 is: 10,437,207.31
Step by Step Solution
- Step 1: Write the proportion equation
13,757,723.34 : 18,985,719.57 = 7,563,169.26 : x - Step 2: Convert to fraction form
13,757,723.34/18,985,719.57 = 7,563,169.26/x - Step 3: Cross multiply
13,757,723.34x = 18,985,719.57 × 7,563,169.26 - Step 4: Simplify right side
13,757,723.34x = 143,592,210,602,442.53 - Step 5: Solve for x
x = 143,592,210,602,442.53/13,757,723.34 - Step 6: Final answer
x = 10,437,207.31
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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.