Finding the Fourth Proportional to 48,296,048.99, 72,434,831.11 and 18,752,240.21
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Solution
The fourth proportional to 48,296,048.99, 72,434,831.11 and 18,752,240.21 is: 28,124,771.71
Step by Step Solution
- Step 1: Write the proportion equation
48,296,048.99 : 72,434,831.11 = 18,752,240.21 : x - Step 2: Convert to fraction form
48,296,048.99/72,434,831.11 = 18,752,240.21/x - Step 3: Cross multiply
48,296,048.99x = 72,434,831.11 × 18,752,240.21 - Step 4: Simplify right side
48,296,048.99x = 1,358,315,352,136,446 - Step 5: Solve for x
x = 1,358,315,352,136,446/48,296,048.99 - Step 6: Final answer
x = 28,124,771.71
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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.