Finding the Fourth Proportional to 13,235,159.84, 18,266,687.40 and 11,026,520.15
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Solution
The fourth proportional to 13,235,159.84, 18,266,687.40 and 11,026,520.15 is: 15,218,403.04
Step by Step Solution
- Step 1: Write the proportion equation
13,235,159.84 : 18,266,687.40 = 11,026,520.15 : x - Step 2: Convert to fraction form
13,235,159.84/18,266,687.40 = 11,026,520.15/x - Step 3: Cross multiply
13,235,159.84x = 18,266,687.40 × 11,026,520.15 - Step 4: Simplify right side
13,235,159.84x = 201,417,996,716,444.66 - Step 5: Solve for x
x = 201,417,996,716,444.66/13,235,159.84 - Step 6: Final answer
x = 15,218,403.04
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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.