Finding the Fourth Proportional to 14,753,438.40, 22,130,157.60 and 13,430,740.80
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Solution
The fourth proportional to 14,753,438.40, 22,130,157.60 and 13,430,740.80 is: 20,146,111.20
Step by Step Solution
- Step 1: Write the proportion equation
14,753,438.40 : 22,130,157.60 = 13,430,740.80 : x - Step 2: Convert to fraction form
14,753,438.40/22,130,157.60 = 13,430,740.80/x - Step 3: Cross multiply
14,753,438.40x = 22,130,157.60 × 13,430,740.80 - Step 4: Simplify right side
14,753,438.40x = 297,224,410,588,750.12 - Step 5: Solve for x
x = 297,224,410,588,750.12/14,753,438.40 - Step 6: Final answer
x = 20,146,111.20
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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.