Finding the Fourth Proportional to 12,916,516.14, 19,374,289.56 and 3,201,161.08
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Solution
The fourth proportional to 12,916,516.14, 19,374,289.56 and 3,201,161.08 is: 4,801,621.51
Step by Step Solution
- Step 1: Write the proportion equation
12,916,516.14 : 19,374,289.56 = 3,201,161.08 : x - Step 2: Convert to fraction form
12,916,516.14/19,374,289.56 = 3,201,161.08/x - Step 3: Cross multiply
12,916,516.14x = 19,374,289.56 × 3,201,161.08 - Step 4: Simplify right side
12,916,516.14x = 62,020,221,692,122.32 - Step 5: Solve for x
x = 62,020,221,692,122.32/12,916,516.14 - Step 6: Final answer
x = 4,801,621.51
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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.