Finding the Fourth Proportional to 13,556,655.32, 20,338,424.06 and 6,275,363.63
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Solution
The fourth proportional to 13,556,655.32, 20,338,424.06 and 6,275,363.63 is: 9,414,638.31
Step by Step Solution
- Step 1: Write the proportion equation
13,556,655.32 : 20,338,424.06 = 6,275,363.63 : x - Step 2: Convert to fraction form
13,556,655.32/20,338,424.06 = 6,275,363.63/x - Step 3: Cross multiply
13,556,655.32x = 20,338,424.06 × 6,275,363.63 - Step 4: Simplify right side
13,556,655.32x = 127,631,006,504,572 - Step 5: Solve for x
x = 127,631,006,504,572/13,556,655.32 - Step 6: Final answer
x = 9,414,638.31
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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.