Finding the Fourth Proportional to 7,724,802.99, 11,587,204.53 and 4,119,647.70
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Solution
The fourth proportional to 7,724,802.99, 11,587,204.53 and 4,119,647.70 is: 6,179,471.57
Step by Step Solution
- Step 1: Write the proportion equation
7,724,802.99 : 11,587,204.53 = 4,119,647.70 : x - Step 2: Convert to fraction form
7,724,802.99/11,587,204.53 = 4,119,647.70/x - Step 3: Cross multiply
7,724,802.99x = 11,587,204.53 × 4,119,647.70 - Step 4: Simplify right side
7,724,802.99x = 47,735,200,491,444.08 - Step 5: Solve for x
x = 47,735,200,491,444.08/7,724,802.99 - Step 6: Final answer
x = 6,179,471.57
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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.