Finding the Fourth Proportional to 42,397,956.40, 63,596,934.60 and 15,135,033.10
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Solution
The fourth proportional to 42,397,956.40, 63,596,934.60 and 15,135,033.10 is: 22,702,549.65
Step by Step Solution
- Step 1: Write the proportion equation
42,397,956.40 : 63,596,934.60 = 15,135,033.10 : x - Step 2: Convert to fraction form
42,397,956.40/63,596,934.60 = 15,135,033.10/x - Step 3: Cross multiply
42,397,956.40x = 63,596,934.60 × 15,135,033.10 - Step 4: Simplify right side
42,397,956.40x = 962,541,710,229,535.25 - Step 5: Solve for x
x = 962,541,710,229,535.25/42,397,956.40 - Step 6: Final answer
x = 22,702,549.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.