Finding the Fourth Proportional to 42,183,891.55, 63,269,443.97 and 11,480,863.46
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Solution
The fourth proportional to 42,183,891.55, 63,269,443.97 and 11,480,863.46 is: 17,219,555.17
Step by Step Solution
- Step 1: Write the proportion equation
42,183,891.55 : 63,269,443.97 = 11,480,863.46 : x - Step 2: Convert to fraction form
42,183,891.55/63,269,443.97 = 11,480,863.46/x - Step 3: Cross multiply
42,183,891.55x = 63,269,443.97 × 11,480,863.46 - Step 4: Simplify right side
42,183,891.55x = 726,387,847,596,566.12 - Step 5: Solve for x
x = 726,387,847,596,566.12/42,183,891.55 - Step 6: Final answer
x = 17,219,555.17
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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.