Finding the Fourth Proportional to 21,539,398.48, 32,251,866.36 and 13,008,193.36
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Solution
The fourth proportional to 21,539,398.48, 32,251,866.36 and 13,008,193.36 is: 19,477,726.56
Step by Step Solution
- Step 1: Write the proportion equation
21,539,398.48 : 32,251,866.36 = 13,008,193.36 : x - Step 2: Convert to fraction form
21,539,398.48/32,251,866.36 = 13,008,193.36/x - Step 3: Cross multiply
21,539,398.48x = 32,251,866.36 × 13,008,193.36 - Step 4: Simplify right side
21,539,398.48x = 419,538,513,831,759.31 - Step 5: Solve for x
x = 419,538,513,831,759.31/21,539,398.48 - Step 6: Final answer
x = 19,477,726.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.