Finding the Fourth Proportional to 13,866,337.18, 19,135,479.99 and 7,754,789.98
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Solution
The fourth proportional to 13,866,337.18, 19,135,479.99 and 7,754,789.98 is: 10,701,573.64
Step by Step Solution
- Step 1: Write the proportion equation
13,866,337.18 : 19,135,479.99 = 7,754,789.98 : x - Step 2: Convert to fraction form
13,866,337.18/19,135,479.99 = 7,754,789.98/x - Step 3: Cross multiply
13,866,337.18x = 19,135,479.99 × 7,754,789.98 - Step 4: Simplify right side
13,866,337.18x = 148,391,628,488,942.50 - Step 5: Solve for x
x = 148,391,628,488,942.50/13,866,337.18 - Step 6: Final answer
x = 10,701,573.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.