Finding the Fourth Proportional to 37,921,966.77, 52,331,941.58 and 20,517,930.12
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Solution
The fourth proportional to 37,921,966.77, 52,331,941.58 and 20,517,930.12 is: 28,314,541.99
Step by Step Solution
- Step 1: Write the proportion equation
37,921,966.77 : 52,331,941.58 = 20,517,930.12 : x - Step 2: Convert to fraction form
37,921,966.77/52,331,941.58 = 20,517,930.12/x - Step 3: Cross multiply
37,921,966.77x = 52,331,941.58 × 20,517,930.12 - Step 4: Simplify right side
37,921,966.77x = 1,073,743,120,279,772.88 - Step 5: Solve for x
x = 1,073,743,120,279,772.88/37,921,966.77 - Step 6: Final answer
x = 28,314,541.99
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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.