Finding the Fourth Proportional to 22,041,916, 30,418,207.68 and 12,119,218.72
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Solution
The fourth proportional to 22,041,916, 30,418,207.68 and 12,119,218.72 is: 16,724,721.75
Step by Step Solution
- Step 1: Write the proportion equation
22,041,916 : 30,418,207.68 = 12,119,218.72 : x - Step 2: Convert to fraction form
22,041,916/30,418,207.68 = 12,119,218.72/x - Step 3: Cross multiply
22,041,916x = 30,418,207.68 × 12,119,218.72 - Step 4: Simplify right side
22,041,916x = 368,644,911,944,303.81 - Step 5: Solve for x
x = 368,644,911,944,303.81/22,041,916 - Step 6: Final answer
x = 16,724,721.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.