Finding the Fourth Proportional to 15,039,329.24, 20,754,300.68 and 8,163,815.96
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Solution
The fourth proportional to 15,039,329.24, 20,754,300.68 and 8,163,815.96 is: 11,266,080.32
Step by Step Solution
- Step 1: Write the proportion equation
15,039,329.24 : 20,754,300.68 = 8,163,815.96 : x - Step 2: Convert to fraction form
15,039,329.24/20,754,300.68 = 8,163,815.96/x - Step 3: Cross multiply
15,039,329.24x = 20,754,300.68 × 8,163,815.96 - Step 4: Simplify right side
15,039,329.24x = 169,434,291,130,022.84 - Step 5: Solve for x
x = 169,434,291,130,022.84/15,039,329.24 - Step 6: Final answer
x = 11,266,080.32
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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.