Finding the Fourth Proportional to 21,107,359.95, 29,128,649.93 and 11,814,698.94
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Solution
The fourth proportional to 21,107,359.95, 29,128,649.93 and 11,814,698.94 is: 16,304,560.60
Step by Step Solution
- Step 1: Write the proportion equation
21,107,359.95 : 29,128,649.93 = 11,814,698.94 : x - Step 2: Convert to fraction form
21,107,359.95/29,128,649.93 = 11,814,698.94/x - Step 3: Cross multiply
21,107,359.95x = 29,128,649.93 × 11,814,698.94 - Step 4: Simplify right side
21,107,359.95x = 344,146,229,451,602.06 - Step 5: Solve for x
x = 344,146,229,451,602.06/21,107,359.95 - Step 6: Final answer
x = 16,304,560.60
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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.