Finding the Fourth Proportional to 7,776,343.70, 11,664,515.55 and 7,303,951.70
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Solution
The fourth proportional to 7,776,343.70, 11,664,515.55 and 7,303,951.70 is: 10,955,927.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,343.70 : 11,664,515.55 = 7,303,951.70 : x - Step 2: Convert to fraction form
7,776,343.70/11,664,515.55 = 7,303,951.70/x - Step 3: Cross multiply
7,776,343.70x = 11,664,515.55 × 7,303,951.70 - Step 4: Simplify right side
7,776,343.70x = 85,197,058,181,098.94 - Step 5: Solve for x
x = 85,197,058,181,098.94/7,776,343.70 - Step 6: Final answer
x = 10,955,927.55
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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.