Finding the Fourth Proportional to 19,835,477.87, 27,372,038.08 and 11,015,489.12
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Solution
The fourth proportional to 19,835,477.87, 27,372,038.08 and 11,015,489.12 is: 15,200,863.30
Step by Step Solution
- Step 1: Write the proportion equation
19,835,477.87 : 27,372,038.08 = 11,015,489.12 : x - Step 2: Convert to fraction form
19,835,477.87/27,372,038.08 = 11,015,489.12/x - Step 3: Cross multiply
19,835,477.87x = 27,372,038.08 × 11,015,489.12 - Step 4: Simplify right side
19,835,477.87x = 301,516,387,607,388.19 - Step 5: Solve for x
x = 301,516,387,607,388.19/19,835,477.87 - Step 6: Final answer
x = 15,200,863.30
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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.