Finding the Fourth Proportional to 8,919,924.44, 13,378,745.30 and 2,854,148.72
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Solution
The fourth proportional to 8,919,924.44, 13,378,745.30 and 2,854,148.72 is: 4,280,857.87
Step by Step Solution
- Step 1: Write the proportion equation
8,919,924.44 : 13,378,745.30 = 2,854,148.72 : x - Step 2: Convert to fraction form
8,919,924.44/13,378,745.30 = 2,854,148.72/x - Step 3: Cross multiply
8,919,924.44x = 13,378,745.30 × 2,854,148.72 - Step 4: Simplify right side
8,919,924.44x = 38,184,928,706,307.29 - Step 5: Solve for x
x = 38,184,928,706,307.29/8,919,924.44 - Step 6: Final answer
x = 4,280,857.87
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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.