Finding the Fourth Proportional to 34,408,247.38, 47,483,378.61 and 18,727,384.30
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Solution
The fourth proportional to 34,408,247.38, 47,483,378.61 and 18,727,384.30 is: 25,843,788.82
Step by Step Solution
- Step 1: Write the proportion equation
34,408,247.38 : 47,483,378.61 = 18,727,384.30 : x - Step 2: Convert to fraction form
34,408,247.38/47,483,378.61 = 18,727,384.30/x - Step 3: Cross multiply
34,408,247.38x = 47,483,378.61 × 18,727,384.30 - Step 4: Simplify right side
34,408,247.38x = 889,239,479,091,869.88 - Step 5: Solve for x
x = 889,239,479,091,869.88/34,408,247.38 - Step 6: Final answer
x = 25,843,788.82
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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.