Finding the Fourth Proportional to 9,538,266.17, 13,165,771.05 and 7,581,615.99
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Solution
The fourth proportional to 9,538,266.17, 13,165,771.05 and 7,581,615.99 is: 10,464,985.84
Step by Step Solution
- Step 1: Write the proportion equation
9,538,266.17 : 13,165,771.05 = 7,581,615.99 : x - Step 2: Convert to fraction form
9,538,266.17/13,165,771.05 = 7,581,615.99/x - Step 3: Cross multiply
9,538,266.17x = 13,165,771.05 × 7,581,615.99 - Step 4: Simplify right side
9,538,266.17x = 99,817,820,313,359.09 - Step 5: Solve for x
x = 99,817,820,313,359.09/9,538,266.17 - Step 6: Final answer
x = 10,464,985.84
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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.