Finding the Fourth Proportional to 40,228,840.70, 60,343,261.05 and 9,936,703.70
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Solution
The fourth proportional to 40,228,840.70, 60,343,261.05 and 9,936,703.70 is: 14,905,055.55
Step by Step Solution
- Step 1: Write the proportion equation
40,228,840.70 : 60,343,261.05 = 9,936,703.70 : x - Step 2: Convert to fraction form
40,228,840.70/60,343,261.05 = 9,936,703.70/x - Step 3: Cross multiply
40,228,840.70x = 60,343,261.05 × 9,936,703.70 - Step 4: Simplify right side
40,228,840.70x = 599,613,105,345,600.75 - Step 5: Solve for x
x = 599,613,105,345,600.75/40,228,840.70 - Step 6: Final answer
x = 14,905,055.55
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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.