Finding the Fourth Proportional to 10,243,317.09, 15,337,442.52 and 7,802,844.68
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Solution
The fourth proportional to 10,243,317.09, 15,337,442.52 and 7,802,844.68 is: 11,683,293.68
Step by Step Solution
- Step 1: Write the proportion equation
10,243,317.09 : 15,337,442.52 = 7,802,844.68 : x - Step 2: Convert to fraction form
10,243,317.09/15,337,442.52 = 7,802,844.68/x - Step 3: Cross multiply
10,243,317.09x = 15,337,442.52 × 7,802,844.68 - Step 4: Simplify right side
10,243,317.09x = 119,675,681,733,644.19 - Step 5: Solve for x
x = 119,675,681,733,644.19/10,243,317.09 - Step 6: Final answer
x = 11,683,293.68
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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.