Finding the Fourth Proportional to 40,313,534.40, 55,630,280.16 and 22,907,463.84
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Solution
The fourth proportional to 40,313,534.40, 55,630,280.16 and 22,907,463.84 is: 31,610,937.87
Step by Step Solution
- Step 1: Write the proportion equation
40,313,534.40 : 55,630,280.16 = 22,907,463.84 : x - Step 2: Convert to fraction form
40,313,534.40/55,630,280.16 = 22,907,463.84/x - Step 3: Cross multiply
40,313,534.40x = 55,630,280.16 × 22,907,463.84 - Step 4: Simplify right side
40,313,534.40x = 1,274,348,631,174,269.25 - Step 5: Solve for x
x = 1,274,348,631,174,269.25/40,313,534.40 - Step 6: Final answer
x = 31,610,937.87
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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.