Finding the Fourth Proportional to 18,742,560.01, 28,106,744.41 and 10,218,256.09
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Solution
The fourth proportional to 18,742,560.01, 28,106,744.41 and 10,218,256.09 is: 15,323,515.68
Step by Step Solution
- Step 1: Write the proportion equation
18,742,560.01 : 28,106,744.41 = 10,218,256.09 : x - Step 2: Convert to fraction form
18,742,560.01/28,106,744.41 = 10,218,256.09/x - Step 3: Cross multiply
18,742,560.01x = 28,106,744.41 × 10,218,256.09 - Step 4: Simplify right side
18,742,560.01x = 287,201,912,237,555.94 - Step 5: Solve for x
x = 287,201,912,237,555.94/18,742,560.01 - Step 6: Final answer
x = 15,323,515.68
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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.