Finding the Fourth Proportional to 26,553,481.48, 39,812,286.05 and 13,567,720.65
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Solution
The fourth proportional to 26,553,481.48, 39,812,286.05 and 13,567,720.65 is: 20,342,416.34
Step by Step Solution
- Step 1: Write the proportion equation
26,553,481.48 : 39,812,286.05 = 13,567,720.65 : x - Step 2: Convert to fraction form
26,553,481.48/39,812,286.05 = 13,567,720.65/x - Step 3: Cross multiply
26,553,481.48x = 39,812,286.05 × 13,567,720.65 - Step 4: Simplify right side
26,553,481.48x = 540,161,975,564,291.94 - Step 5: Solve for x
x = 540,161,975,564,291.94/26,553,481.48 - Step 6: Final answer
x = 20,342,416.34
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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.