Finding the Fourth Proportional to 20,587,840.73, 30,880,673.46 and 6,752,977.09
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Solution
The fourth proportional to 20,587,840.73, 30,880,673.46 and 6,752,977.09 is: 10,129,108.89
Step by Step Solution
- Step 1: Write the proportion equation
20,587,840.73 : 30,880,673.46 = 6,752,977.09 : x - Step 2: Convert to fraction form
20,587,840.73/30,880,673.46 = 6,752,977.09/x - Step 3: Cross multiply
20,587,840.73x = 30,880,673.46 × 6,752,977.09 - Step 4: Simplify right side
20,587,840.73x = 208,536,480,449,534.34 - Step 5: Solve for x
x = 208,536,480,449,534.34/20,587,840.73 - Step 6: Final answer
x = 10,129,108.89
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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.