Finding the Fourth Proportional to 8,868,087.23, 12,237,943.41 and 4,947,610.09
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Solution
The fourth proportional to 8,868,087.23, 12,237,943.41 and 4,947,610.09 is: 6,827,692.45
Step by Step Solution
- Step 1: Write the proportion equation
8,868,087.23 : 12,237,943.41 = 4,947,610.09 : x - Step 2: Convert to fraction form
8,868,087.23/12,237,943.41 = 4,947,610.09/x - Step 3: Cross multiply
8,868,087.23x = 12,237,943.41 × 4,947,610.09 - Step 4: Simplify right side
8,868,087.23x = 60,548,572,233,291.64 - Step 5: Solve for x
x = 60,548,572,233,291.64/8,868,087.23 - Step 6: Final answer
x = 6,827,692.45
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.