Finding the Fourth Proportional to 23,038,748.09, 31,793,580.61 and 12,584,909.19
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Solution
The fourth proportional to 23,038,748.09, 31,793,580.61 and 12,584,909.19 is: 17,367,233.81
Step by Step Solution
- Step 1: Write the proportion equation
23,038,748.09 : 31,793,580.61 = 12,584,909.19 : x - Step 2: Convert to fraction form
23,038,748.09/31,793,580.61 = 12,584,909.19/x - Step 3: Cross multiply
23,038,748.09x = 31,793,580.61 × 12,584,909.19 - Step 4: Simplify right side
23,038,748.09x = 400,119,324,801,794.81 - Step 5: Solve for x
x = 400,119,324,801,794.81/23,038,748.09 - Step 6: Final answer
x = 17,367,233.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.