Finding the Fourth Proportional to 39,040,765.42, 58,549,356.73 and 11,739,810.87
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Solution
The fourth proportional to 39,040,765.42, 58,549,356.73 and 11,739,810.87 is: 17,606,170.56
Step by Step Solution
- Step 1: Write the proportion equation
39,040,765.42 : 58,549,356.73 = 11,739,810.87 : x - Step 2: Convert to fraction form
39,040,765.42/58,549,356.73 = 11,739,810.87/x - Step 3: Cross multiply
39,040,765.42x = 58,549,356.73 × 11,739,810.87 - Step 4: Simplify right side
39,040,765.42x = 687,358,374,782,525.88 - Step 5: Solve for x
x = 687,358,374,782,525.88/39,040,765.42 - Step 6: Final answer
x = 17,606,170.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.