Finding the Fourth Proportional to 14,337,554.23, 19,785,765.54 and 7,811,163.64
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Solution
The fourth proportional to 14,337,554.23, 19,785,765.54 and 7,811,163.64 is: 10,779,373.52
Step by Step Solution
- Step 1: Write the proportion equation
14,337,554.23 : 19,785,765.54 = 7,811,163.64 : x - Step 2: Convert to fraction form
14,337,554.23/19,785,765.54 = 7,811,163.64/x - Step 3: Cross multiply
14,337,554.23x = 19,785,765.54 × 7,811,163.64 - Step 4: Simplify right side
14,337,554.23x = 154,549,852,375,612.94 - Step 5: Solve for x
x = 154,549,852,375,612.94/14,337,554.23 - Step 6: Final answer
x = 10,779,373.52
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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.