Finding the Fourth Proportional to 7,408,434.30, 11,113,467.93 and 2,358,570.30
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Solution
The fourth proportional to 7,408,434.30, 11,113,467.93 and 2,358,570.30 is: 3,538,115.39
Step by Step Solution
- Step 1: Write the proportion equation
7,408,434.30 : 11,113,467.93 = 2,358,570.30 : x - Step 2: Convert to fraction form
7,408,434.30/11,113,467.93 = 2,358,570.30/x - Step 3: Cross multiply
7,408,434.30x = 11,113,467.93 × 2,358,570.30 - Step 4: Simplify right side
7,408,434.30x = 26,211,895,389,700.48 - Step 5: Solve for x
x = 26,211,895,389,700.48/7,408,434.30 - Step 6: Final answer
x = 3,538,115.39
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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.