Finding the Fourth Proportional to 13,030,178.04, 17,982,495.86 and 7,523,784.68
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Solution
The fourth proportional to 13,030,178.04, 17,982,495.86 and 7,523,784.68 is: 10,383,313.74
Step by Step Solution
- Step 1: Write the proportion equation
13,030,178.04 : 17,982,495.86 = 7,523,784.68 : x - Step 2: Convert to fraction form
13,030,178.04/17,982,495.86 = 7,523,784.68/x - Step 3: Cross multiply
13,030,178.04x = 17,982,495.86 × 7,523,784.68 - Step 4: Simplify right side
13,030,178.04x = 135,296,426,732,100.02 - Step 5: Solve for x
x = 135,296,426,732,100.02/13,030,178.04 - Step 6: Final answer
x = 10,383,313.74
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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.