Finding the Fourth Proportional to 15,468,189.84, 23,203,465.65 and 4,686,383.70
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Solution
The fourth proportional to 15,468,189.84, 23,203,465.65 and 4,686,383.70 is: 7,029,933.32
Step by Step Solution
- Step 1: Write the proportion equation
15,468,189.84 : 23,203,465.65 = 4,686,383.70 : x - Step 2: Convert to fraction form
15,468,189.84/23,203,465.65 = 4,686,383.70/x - Step 3: Cross multiply
15,468,189.84x = 23,203,465.65 × 4,686,383.70 - Step 4: Simplify right side
15,468,189.84x = 108,740,343,205,669.91 - Step 5: Solve for x
x = 108,740,343,205,669.91/15,468,189.84 - Step 6: Final answer
x = 7,029,933.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.