Finding the Fourth Proportional to 29,073,831.70, 40,122,156.81 and 16,021,557.71
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Solution
The fourth proportional to 29,073,831.70, 40,122,156.81 and 16,021,557.71 is: 22,109,897.92
Step by Step Solution
- Step 1: Write the proportion equation
29,073,831.70 : 40,122,156.81 = 16,021,557.71 : x - Step 2: Convert to fraction form
29,073,831.70/40,122,156.81 = 16,021,557.71/x - Step 3: Cross multiply
29,073,831.70x = 40,122,156.81 × 16,021,557.71 - Step 4: Simplify right side
29,073,831.70x = 642,819,450,941,470.75 - Step 5: Solve for x
x = 642,819,450,941,470.75/29,073,831.70 - Step 6: Final answer
x = 22,109,897.92
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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.