Finding the Fourth Proportional to 8,235,154.24, 11,364,513.90 and 4,564,307.80
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Solution
The fourth proportional to 8,235,154.24, 11,364,513.90 and 4,564,307.80 is: 6,298,745.35
Step by Step Solution
- Step 1: Write the proportion equation
8,235,154.24 : 11,364,513.90 = 4,564,307.80 : x - Step 2: Convert to fraction form
8,235,154.24/11,364,513.90 = 4,564,307.80/x - Step 3: Cross multiply
8,235,154.24x = 11,364,513.90 × 4,564,307.80 - Step 4: Simplify right side
8,235,154.24x = 51,871,139,436,978.42 - Step 5: Solve for x
x = 51,871,139,436,978.42/8,235,154.24 - Step 6: Final answer
x = 6,298,745.35
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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.