Finding the Fourth Proportional to 19,659,053.36, 27,129,619.58 and 10,957,777.71
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Solution
The fourth proportional to 19,659,053.36, 27,129,619.58 and 10,957,777.71 is: 15,121,803.43
Step by Step Solution
- Step 1: Write the proportion equation
19,659,053.36 : 27,129,619.58 = 10,957,777.71 : x - Step 2: Convert to fraction form
19,659,053.36/27,129,619.58 = 10,957,777.71/x - Step 3: Cross multiply
19,659,053.36x = 27,129,619.58 × 10,957,777.71 - Step 4: Simplify right side
19,659,053.36x = 297,280,340,557,978.62 - Step 5: Solve for x
x = 297,280,340,557,978.62/19,659,053.36 - Step 6: Final answer
x = 15,121,803.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.