Finding the Fourth Proportional to 9,147,541.80, 13,721,312.70 and 2,415,955.80
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Solution
The fourth proportional to 9,147,541.80, 13,721,312.70 and 2,415,955.80 is: 3,623,933.70
Step by Step Solution
- Step 1: Write the proportion equation
9,147,541.80 : 13,721,312.70 = 2,415,955.80 : x - Step 2: Convert to fraction form
9,147,541.80/13,721,312.70 = 2,415,955.80/x - Step 3: Cross multiply
9,147,541.80x = 13,721,312.70 × 2,415,955.80 - Step 4: Simplify right side
9,147,541.80x = 33,150,085,001,178.66 - Step 5: Solve for x
x = 33,150,085,001,178.66/9,147,541.80 - Step 6: Final answer
x = 3,623,933.70
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1.5x scale
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.