Finding the Fourth Proportional to 47,312,629.56, 65,292,279.12 and 27,747,629.22
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Solution
The fourth proportional to 47,312,629.56, 65,292,279.12 and 27,747,629.22 is: 38,292,227.02
Step by Step Solution
- Step 1: Write the proportion equation
47,312,629.56 : 65,292,279.12 = 27,747,629.22 : x - Step 2: Convert to fraction form
47,312,629.56/65,292,279.12 = 27,747,629.22/x - Step 3: Cross multiply
47,312,629.56x = 65,292,279.12 × 27,747,629.22 - Step 4: Simplify right side
47,312,629.56x = 1,811,705,951,950,507.75 - Step 5: Solve for x
x = 1,811,705,951,950,507.75/47,312,629.56 - Step 6: Final answer
x = 38,292,227.02
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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.