Finding the Fourth Proportional to 7,838,715.23, 11,753,496.54 and 3,040,798.08
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Solution
The fourth proportional to 7,838,715.23, 11,753,496.54 and 3,040,798.08 is: 4,559,421.88
Step by Step Solution
- Step 1: Write the proportion equation
7,838,715.23 : 11,753,496.54 = 3,040,798.08 : x - Step 2: Convert to fraction form
7,838,715.23/11,753,496.54 = 3,040,798.08/x - Step 3: Cross multiply
7,838,715.23x = 11,753,496.54 × 3,040,798.08 - Step 4: Simplify right side
7,838,715.23x = 35,740,009,712,118.64 - Step 5: Solve for x
x = 35,740,009,712,118.64/7,838,715.23 - Step 6: Final answer
x = 4,559,421.88
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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.