Finding the Fourth Proportional to 7,272,414.09, 10,035,995.99 and 4,009,343.67
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Solution
The fourth proportional to 7,272,414.09, 10,035,995.99 and 4,009,343.67 is: 5,532,929.85
Step by Step Solution
- Step 1: Write the proportion equation
7,272,414.09 : 10,035,995.99 = 4,009,343.67 : x - Step 2: Convert to fraction form
7,272,414.09/10,035,995.99 = 4,009,343.67/x - Step 3: Cross multiply
7,272,414.09x = 10,035,995.99 × 4,009,343.67 - Step 4: Simplify right side
7,272,414.09x = 40,237,756,974,605.16 - Step 5: Solve for x
x = 40,237,756,974,605.16/7,272,414.09 - Step 6: Final answer
x = 5,532,929.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.