Finding the Fourth Proportional to 19,765,023.06, 29,608,922.05 and 13,615,918.53
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Solution
The fourth proportional to 19,765,023.06, 29,608,922.05 and 13,615,918.53 is: 20,397,278.01
Step by Step Solution
- Step 1: Write the proportion equation
19,765,023.06 : 29,608,922.05 = 13,615,918.53 : x - Step 2: Convert to fraction form
19,765,023.06/29,608,922.05 = 13,615,918.53/x - Step 3: Cross multiply
19,765,023.06x = 29,608,922.05 × 13,615,918.53 - Step 4: Simplify right side
19,765,023.06x = 403,152,670,248,847.31 - Step 5: Solve for x
x = 403,152,670,248,847.31/19,765,023.06 - Step 6: Final answer
x = 20,397,278.01
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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.