Finding the Fourth Proportional to 16,596,989.70, 24,895,484.55 and 15,534,107.70
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Solution
The fourth proportional to 16,596,989.70, 24,895,484.55 and 15,534,107.70 is: 23,301,161.55
Step by Step Solution
- Step 1: Write the proportion equation
16,596,989.70 : 24,895,484.55 = 15,534,107.70 : x - Step 2: Convert to fraction form
16,596,989.70/24,895,484.55 = 15,534,107.70/x - Step 3: Cross multiply
16,596,989.70x = 24,895,484.55 × 15,534,107.70 - Step 4: Simplify right side
16,596,989.70x = 386,729,138,243,386 - Step 5: Solve for x
x = 386,729,138,243,386/16,596,989.70 - Step 6: Final answer
x = 23,301,161.55
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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.