Finding the Fourth Proportional to 45,358,692.49, 68,019,120.91 and 14,226,328.45
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Solution
The fourth proportional to 45,358,692.49, 68,019,120.91 and 14,226,328.45 is: 21,333,559.27
Step by Step Solution
- Step 1: Write the proportion equation
45,358,692.49 : 68,019,120.91 = 14,226,328.45 : x - Step 2: Convert to fraction form
45,358,692.49/68,019,120.91 = 14,226,328.45/x - Step 3: Cross multiply
45,358,692.49x = 68,019,120.91 × 14,226,328.45 - Step 4: Simplify right side
45,358,692.49x = 967,662,354,570,261.50 - Step 5: Solve for x
x = 967,662,354,570,261.50/45,358,692.49 - Step 6: Final answer
x = 21,333,559.27
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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.