Finding the Fourth Proportional to 48,967,744.40, 73,479,610.20 and 18,697,331.60
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Solution
The fourth proportional to 48,967,744.40, 73,479,610.20 and 18,697,331.60 is: 28,056,686.18
Step by Step Solution
- Step 1: Write the proportion equation
48,967,744.40 : 73,479,610.20 = 18,697,331.60 : x - Step 2: Convert to fraction form
48,967,744.40/73,479,610.20 = 18,697,331.60/x - Step 3: Cross multiply
48,967,744.40x = 73,479,610.20 × 18,697,331.60 - Step 4: Simplify right side
48,967,744.40x = 1,373,872,637,748,142.50 - Step 5: Solve for x
x = 1,373,872,637,748,142.50/48,967,744.40 - Step 6: Final answer
x = 28,056,686.18
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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.