Finding the Fourth Proportional to 22,615,829.48, 31,209,821.06 and 12,302,527.97
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Solution
The fourth proportional to 22,615,829.48, 31,209,821.06 and 12,302,527.97 is: 16,977,475.75
Step by Step Solution
- Step 1: Write the proportion equation
22,615,829.48 : 31,209,821.06 = 12,302,527.97 : x - Step 2: Convert to fraction form
22,615,829.48/31,209,821.06 = 12,302,527.97/x - Step 3: Cross multiply
22,615,829.48x = 31,209,821.06 × 12,302,527.97 - Step 4: Simplify right side
22,615,829.48x = 383,959,696,638,125.94 - Step 5: Solve for x
x = 383,959,696,638,125.94/22,615,829.48 - Step 6: Final answer
x = 16,977,475.75
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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.