Finding the Fourth Proportional to 40,871,812.38, 56,402,688.99 and 22,286,905.99
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Solution
The fourth proportional to 40,871,812.38, 56,402,688.99 and 22,286,905.99 is: 30,755,705.56
Step by Step Solution
- Step 1: Write the proportion equation
40,871,812.38 : 56,402,688.99 = 22,286,905.99 : x - Step 2: Convert to fraction form
40,871,812.38/56,402,688.99 = 22,286,905.99/x - Step 3: Cross multiply
40,871,812.38x = 56,402,688.99 × 22,286,905.99 - Step 4: Simplify right side
40,871,812.38x = 1,257,041,427,045,907.25 - Step 5: Solve for x
x = 1,257,041,427,045,907.25/40,871,812.38 - Step 6: Final answer
x = 30,755,705.56
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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.