Finding the Fourth Proportional to 18,346,774.20, 27,496,541.70 and 14,065,721.70
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Solution
The fourth proportional to 18,346,774.20, 27,496,541.70 and 14,065,721.70 is: 21,080,474.37
Step by Step Solution
- Step 1: Write the proportion equation
18,346,774.20 : 27,496,541.70 = 14,065,721.70 : x - Step 2: Convert to fraction form
18,346,774.20/27,496,541.70 = 14,065,721.70/x - Step 3: Cross multiply
18,346,774.20x = 27,496,541.70 × 14,065,721.70 - Step 4: Simplify right side
18,346,774.20x = 386,758,703,264,644.88 - Step 5: Solve for x
x = 386,758,703,264,644.88/18,346,774.20 - Step 6: Final answer
x = 21,080,474.37
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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.