Finding the Fourth Proportional to 47,135,174.40, 65,038,938.12 and 26,507,390.40
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Solution
The fourth proportional to 47,135,174.40, 65,038,938.12 and 26,507,390.40 is: 36,575,923.31
Step by Step Solution
- Step 1: Write the proportion equation
47,135,174.40 : 65,038,938.12 = 26,507,390.40 : x - Step 2: Convert to fraction form
47,135,174.40/65,038,938.12 = 26,507,390.40/x - Step 3: Cross multiply
47,135,174.40x = 65,038,938.12 × 26,507,390.40 - Step 4: Simplify right side
47,135,174.40x = 1,724,012,523,948,282 - Step 5: Solve for x
x = 1,724,012,523,948,282/47,135,174.40 - Step 6: Final answer
x = 36,575,923.31
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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.