Finding the Fourth Proportional to 26,987,416.70, 40,468,954.38 and 13,335,240.50
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Solution
The fourth proportional to 26,987,416.70, 40,468,954.38 and 13,335,240.50 is: 19,996,846.88
Step by Step Solution
- Step 1: Write the proportion equation
26,987,416.70 : 40,468,954.38 = 13,335,240.50 : x - Step 2: Convert to fraction form
26,987,416.70/40,468,954.38 = 13,335,240.50/x - Step 3: Cross multiply
26,987,416.70x = 40,468,954.38 × 13,335,240.50 - Step 4: Simplify right side
26,987,416.70x = 539,663,239,440,828.44 - Step 5: Solve for x
x = 539,663,239,440,828.44/26,987,416.70 - Step 6: Final answer
x = 19,996,846.88
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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.