Finding the Fourth Proportional to 19,542,462.40, 29,313,693.60 and 13,495,844.80
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Solution
The fourth proportional to 19,542,462.40, 29,313,693.60 and 13,495,844.80 is: 20,243,767.20
Step by Step Solution
- Step 1: Write the proportion equation
19,542,462.40 : 29,313,693.60 = 13,495,844.80 : x - Step 2: Convert to fraction form
19,542,462.40/29,313,693.60 = 13,495,844.80/x - Step 3: Cross multiply
19,542,462.40x = 29,313,693.60 × 13,495,844.80 - Step 4: Simplify right side
19,542,462.40x = 395,613,059,340,353.31 - Step 5: Solve for x
x = 395,613,059,340,353.31/19,542,462.40 - Step 6: Final answer
x = 20,243,767.20
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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.