Finding the Fourth Proportional to 35,474,463.40, 53,211,695.10 and 12,756,101.80
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Solution
The fourth proportional to 35,474,463.40, 53,211,695.10 and 12,756,101.80 is: 19,134,152.70
Step by Step Solution
- Step 1: Write the proportion equation
35,474,463.40 : 53,211,695.10 = 12,756,101.80 : x - Step 2: Convert to fraction form
35,474,463.40/53,211,695.10 = 12,756,101.80/x - Step 3: Cross multiply
35,474,463.40x = 53,211,695.10 × 12,756,101.80 - Step 4: Simplify right side
35,474,463.40x = 678,773,799,646,161.25 - Step 5: Solve for x
x = 678,773,799,646,161.25/35,474,463.40 - Step 6: Final answer
x = 19,134,152.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.