Finding the Fourth Proportional to 47,408,882.40, 71,113,351.14 and 13,330,228.14
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Solution
The fourth proportional to 47,408,882.40, 71,113,351.14 and 13,330,228.14 is: 19,995,349.95
Step by Step Solution
- Step 1: Write the proportion equation
47,408,882.40 : 71,113,351.14 = 13,330,228.14 : x - Step 2: Convert to fraction form
47,408,882.40/71,113,351.14 = 13,330,228.14/x - Step 3: Cross multiply
47,408,882.40x = 71,113,351.14 × 13,330,228.14 - Step 4: Simplify right side
47,408,882.40x = 947,957,194,496,129.12 - Step 5: Solve for x
x = 947,957,194,496,129.12/47,408,882.40 - Step 6: Final answer
x = 19,995,349.95
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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.