Finding the Fourth Proportional to 7,780,346.90, 11,662,647.15 and 4,583,827.70
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Solution
The fourth proportional to 7,780,346.90, 11,662,647.15 and 4,583,827.70 is: 6,871,103.02
Step by Step Solution
- Step 1: Write the proportion equation
7,780,346.90 : 11,662,647.15 = 4,583,827.70 : x - Step 2: Convert to fraction form
7,780,346.90/11,662,647.15 = 4,583,827.70/x - Step 3: Cross multiply
7,780,346.90x = 11,662,647.15 × 4,583,827.70 - Step 4: Simplify right side
7,780,346.90x = 53,459,565,061,496.06 - Step 5: Solve for x
x = 53,459,565,061,496.06/7,780,346.90 - Step 6: Final answer
x = 6,871,103.02
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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.