Finding the Fourth Proportional to 7,824,453.12, 11,735,681.76 and 3,028,861.08
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Solution
The fourth proportional to 7,824,453.12, 11,735,681.76 and 3,028,861.08 is: 4,542,905.32
Step by Step Solution
- Step 1: Write the proportion equation
7,824,453.12 : 11,735,681.76 = 3,028,861.08 : x - Step 2: Convert to fraction form
7,824,453.12/11,735,681.76 = 3,028,861.08/x - Step 3: Cross multiply
7,824,453.12x = 11,735,681.76 × 3,028,861.08 - Step 4: Simplify right side
7,824,453.12x = 35,545,749,730,129.90 - Step 5: Solve for x
x = 35,545,749,730,129.90/7,824,453.12 - Step 6: Final answer
x = 4,542,905.32
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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.