Finding the Fourth Proportional to 35,339,941.70, 53,009,912.55 and 19,173,637.70
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Solution
The fourth proportional to 35,339,941.70, 53,009,912.55 and 19,173,637.70 is: 28,760,456.55
Step by Step Solution
- Step 1: Write the proportion equation
35,339,941.70 : 53,009,912.55 = 19,173,637.70 : x - Step 2: Convert to fraction form
35,339,941.70/53,009,912.55 = 19,173,637.70/x - Step 3: Cross multiply
35,339,941.70x = 53,009,912.55 × 19,173,637.70 - Step 4: Simplify right side
35,339,941.70x = 1,016,392,857,742,383 - Step 5: Solve for x
x = 1,016,392,857,742,383/35,339,941.70 - Step 6: Final answer
x = 28,760,456.55
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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.