Finding the Fourth Proportional to 32,893,389.09, 45,393,236.06 and 18,209,300.63
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Solution
The fourth proportional to 32,893,389.09, 45,393,236.06 and 18,209,300.63 is: 25,129,033.66
Step by Step Solution
- Step 1: Write the proportion equation
32,893,389.09 : 45,393,236.06 = 18,209,300.63 : x - Step 2: Convert to fraction form
32,893,389.09/45,393,236.06 = 18,209,300.63/x - Step 3: Cross multiply
32,893,389.09x = 45,393,236.06 × 18,209,300.63 - Step 4: Simplify right side
32,893,389.09x = 826,579,081,667,084 - Step 5: Solve for x
x = 826,579,081,667,084/32,893,389.09 - Step 6: Final answer
x = 25,129,033.66
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1.5x scale
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.