Finding the Fourth Proportional to 37,513,939.28, 51,768,124.33 and 20,769,425.08
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Solution
The fourth proportional to 37,513,939.28, 51,768,124.33 and 20,769,425.08 is: 28,661,191.02
Step by Step Solution
- Step 1: Write the proportion equation
37,513,939.28 : 51,768,124.33 = 20,769,425.08 : x - Step 2: Convert to fraction form
37,513,939.28/51,768,124.33 = 20,769,425.08/x - Step 3: Cross multiply
37,513,939.28x = 51,768,124.33 × 20,769,425.08 - Step 4: Simplify right side
37,513,939.28x = 1,075,194,179,804,060.12 - Step 5: Solve for x
x = 1,075,194,179,804,060.12/37,513,939.28 - Step 6: Final answer
x = 28,661,191.02
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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.