Finding the Fourth Proportional to 29,016,831.94, 40,043,226.67 and 15,963,810.63
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Solution
The fourth proportional to 29,016,831.94, 40,043,226.67 and 15,963,810.63 is: 22,030,057.89
Step by Step Solution
- Step 1: Write the proportion equation
29,016,831.94 : 40,043,226.67 = 15,963,810.63 : x - Step 2: Convert to fraction form
29,016,831.94/40,043,226.67 = 15,963,810.63/x - Step 3: Cross multiply
29,016,831.94x = 40,043,226.67 × 15,963,810.63 - Step 4: Simplify right side
29,016,831.94x = 639,242,487,494,226.50 - Step 5: Solve for x
x = 639,242,487,494,226.50/29,016,831.94 - Step 6: Final answer
x = 22,030,057.89
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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.