Finding the Fourth Proportional to 42,877,804.20, 64,302,884.46 and 14,117,092.08
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Solution
The fourth proportional to 42,877,804.20, 64,302,884.46 and 14,117,092.08 is: 21,171,087.42
Step by Step Solution
- Step 1: Write the proportion equation
42,877,804.20 : 64,302,884.46 = 14,117,092.08 : x - Step 2: Convert to fraction form
42,877,804.20/64,302,884.46 = 14,117,092.08/x - Step 3: Cross multiply
42,877,804.20x = 64,302,884.46 × 14,117,092.08 - Step 4: Simplify right side
42,877,804.20x = 907,769,740,931,421.12 - Step 5: Solve for x
x = 907,769,740,931,421.12/42,877,804.20 - Step 6: Final answer
x = 21,171,087.42
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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.