Finding the Fourth Proportional to 47,312,614.56, 65,292,258.42 and 27,747,614.28
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Solution
The fourth proportional to 47,312,614.56, 65,292,258.42 and 27,747,614.28 is: 38,292,206.40
Step by Step Solution
- Step 1: Write the proportion equation
47,312,614.56 : 65,292,258.42 = 27,747,614.28 : x - Step 2: Convert to fraction form
47,312,614.56/65,292,258.42 = 27,747,614.28/x - Step 3: Cross multiply
47,312,614.56x = 65,292,258.42 × 27,747,614.28 - Step 4: Simplify right side
47,312,614.56x = 1,811,704,402,108,242.25 - Step 5: Solve for x
x = 1,811,704,402,108,242.25/47,312,614.56 - Step 6: Final answer
x = 38,292,206.40
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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.