Finding the Fourth Proportional to 40,486,604.14, 55,871,344.49 and 21,901,698.05
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Solution
The fourth proportional to 40,486,604.14, 55,871,344.49 and 21,901,698.05 is: 30,224,251.77
Step by Step Solution
- Step 1: Write the proportion equation
40,486,604.14 : 55,871,344.49 = 21,901,698.05 : x - Step 2: Convert to fraction form
40,486,604.14/55,871,344.49 = 21,901,698.05/x - Step 3: Cross multiply
40,486,604.14x = 55,871,344.49 × 21,901,698.05 - Step 4: Simplify right side
40,486,604.14x = 1,223,677,316,592,922.25 - Step 5: Solve for x
x = 1,223,677,316,592,922.25/40,486,604.14 - Step 6: Final answer
x = 30,224,251.77
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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.