Finding the Fourth Proportional to 8,667,729.70, 13,001,594.55 and 4,416,201.70
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Solution
The fourth proportional to 8,667,729.70, 13,001,594.55 and 4,416,201.70 is: 6,624,302.55
Step by Step Solution
- Step 1: Write the proportion equation
8,667,729.70 : 13,001,594.55 = 4,416,201.70 : x - Step 2: Convert to fraction form
8,667,729.70/13,001,594.55 = 4,416,201.70/x - Step 3: Cross multiply
8,667,729.70x = 13,001,594.55 × 4,416,201.70 - Step 4: Simplify right side
8,667,729.70x = 57,417,663,954,420.74 - Step 5: Solve for x
x = 57,417,663,954,420.74/8,667,729.70 - Step 6: Final answer
x = 6,624,302.55
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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.