Finding the Fourth Proportional to 58,903,831.20, 88,355,746.80 and 18,514,315.20
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Solution
The fourth proportional to 58,903,831.20, 88,355,746.80 and 18,514,315.20 is: 27,771,472.80
Step by Step Solution
- Step 1: Write the proportion equation
58,903,831.20 : 88,355,746.80 = 18,514,315.20 : x - Step 2: Convert to fraction form
58,903,831.20/88,355,746.80 = 18,514,315.20/x - Step 3: Cross multiply
58,903,831.20x = 88,355,746.80 × 18,514,315.20 - Step 4: Simplify right side
58,903,831.20x = 1,635,846,145,986,591.25 - Step 5: Solve for x
x = 1,635,846,145,986,591.25/58,903,831.20 - Step 6: Final answer
x = 27,771,472.80
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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.