Finding the Fourth Proportional to 31,138,206.80, 46,711,774.20 and 9,574,619.60
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Solution
The fourth proportional to 31,138,206.80, 46,711,774.20 and 9,574,619.60 is: 14,363,302.03
Step by Step Solution
- Step 1: Write the proportion equation
31,138,206.80 : 46,711,774.20 = 9,574,619.60 : x - Step 2: Convert to fraction form
31,138,206.80/46,711,774.20 = 9,574,619.60/x - Step 3: Cross multiply
31,138,206.80x = 46,711,774.20 × 9,574,619.60 - Step 4: Simplify right side
31,138,206.80x = 447,247,468,806,094.31 - Step 5: Solve for x
x = 447,247,468,806,094.31/31,138,206.80 - Step 6: Final answer
x = 14,363,302.03
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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.