Finding the Fourth Proportional to 15,553,831.80, 23,330,747.70 and 14,558,503.80
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Solution
The fourth proportional to 15,553,831.80, 23,330,747.70 and 14,558,503.80 is: 21,837,755.70
Step by Step Solution
- Step 1: Write the proportion equation
15,553,831.80 : 23,330,747.70 = 14,558,503.80 : x - Step 2: Convert to fraction form
15,553,831.80/23,330,747.70 = 14,558,503.80/x - Step 3: Cross multiply
15,553,831.80x = 23,330,747.70 × 14,558,503.80 - Step 4: Simplify right side
15,553,831.80x = 339,660,779,047,291.25 - Step 5: Solve for x
x = 339,660,779,047,291.25/15,553,831.80 - Step 6: Final answer
x = 21,837,755.70
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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.