Finding the Fourth Proportional to 22,561,934.24, 31,135,831.04 and 12,248,649.12
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Solution
The fourth proportional to 22,561,934.24, 31,135,831.04 and 12,248,649.12 is: 16,903,332.20
Step by Step Solution
- Step 1: Write the proportion equation
22,561,934.24 : 31,135,831.04 = 12,248,649.12 : x - Step 2: Convert to fraction form
22,561,934.24/31,135,831.04 = 12,248,649.12/x - Step 3: Cross multiply
22,561,934.24x = 31,135,831.04 × 12,248,649.12 - Step 4: Simplify right side
22,561,934.24x = 381,371,869,468,564.62 - Step 5: Solve for x
x = 381,371,869,468,564.62/22,561,934.24 - Step 6: Final answer
x = 16,903,332.20
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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.