Finding the Fourth Proportional to 19,243,699.57, 26,556,093.99 and 10,422,931.40
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Solution
The fourth proportional to 19,243,699.57, 26,556,093.99 and 10,422,931.40 is: 14,383,530.82
Step by Step Solution
- Step 1: Write the proportion equation
19,243,699.57 : 26,556,093.99 = 10,422,931.40 : x - Step 2: Convert to fraction form
19,243,699.57/26,556,093.99 = 10,422,931.40/x - Step 3: Cross multiply
19,243,699.57x = 26,556,093.99 × 10,422,931.40 - Step 4: Simplify right side
19,243,699.57x = 276,792,345,909,722.28 - Step 5: Solve for x
x = 276,792,345,909,722.28/19,243,699.57 - Step 6: Final answer
x = 14,383,530.82
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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.