Finding the Fourth Proportional to 13,007,948.20, 19,507,329.60 and 4,486,302.70
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Solution
The fourth proportional to 13,007,948.20, 19,507,329.60 and 4,486,302.70 is: 6,727,870.08
Step by Step Solution
- Step 1: Write the proportion equation
13,007,948.20 : 19,507,329.60 = 4,486,302.70 : x - Step 2: Convert to fraction form
13,007,948.20/19,507,329.60 = 4,486,302.70/x - Step 3: Cross multiply
13,007,948.20x = 19,507,329.60 × 4,486,302.70 - Step 4: Simplify right side
13,007,948.20x = 87,515,785,454,269.94 - Step 5: Solve for x
x = 87,515,785,454,269.94/13,007,948.20 - Step 6: Final answer
x = 6,727,870.08
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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.