Finding the Fourth Proportional to 20,265,135.34, 30,400,852.23 and 6,805,112.62
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Solution
The fourth proportional to 20,265,135.34, 30,400,852.23 and 6,805,112.62 is: 10,208,726.45
Step by Step Solution
- Step 1: Write the proportion equation
20,265,135.34 : 30,400,852.23 = 6,805,112.62 : x - Step 2: Convert to fraction form
20,265,135.34/30,400,852.23 = 6,805,112.62/x - Step 3: Cross multiply
20,265,135.34x = 30,400,852.23 × 6,805,112.62 - Step 4: Simplify right side
20,265,135.34x = 206,881,223,169,128.16 - Step 5: Solve for x
x = 206,881,223,169,128.16/20,265,135.34 - Step 6: Final answer
x = 10,208,726.45
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1.5x scale
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.