Finding the Fourth Proportional to 18,936,922,324.65, 26,132,935,752.09 and 10,689,430,539.26
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Solution
The fourth proportional to 18,936,922,324.65, 26,132,935,752.09 and 10,689,430,539.26 is: 14,751,404,516.53
Step by Step Solution
- Step 1: Write the proportion equation
18,936,922,324.65 : 26,132,935,752.09 = 10,689,430,539.26 : x - Step 2: Convert to fraction form
18,936,922,324.65/26,132,935,752.09 = 10,689,430,539.26/x - Step 3: Cross multiply
18,936,922,324.65x = 26,132,935,752.09 × 10,689,430,539.26 - Step 4: Simplify right side
18,936,922,324.65x = 279,346,201,509,031,542,784 - Step 5: Solve for x
x = 279,346,201,509,031,542,784/18,936,922,324.65 - Step 6: Final answer
x = 14,751,404,516.53
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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.