Finding the Fourth Proportional to 13,866,336.18, 19,135,478.61 and 7,754,788.98
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Solution
The fourth proportional to 13,866,336.18, 19,135,478.61 and 7,754,788.98 is: 10,701,572.26
Step by Step Solution
- Step 1: Write the proportion equation
13,866,336.18 : 19,135,478.61 = 7,754,788.98 : x - Step 2: Convert to fraction form
13,866,336.18/19,135,478.61 = 7,754,788.98/x - Step 3: Cross multiply
13,866,336.18x = 19,135,478.61 × 7,754,788.98 - Step 4: Simplify right side
13,866,336.18x = 148,391,598,651,853.72 - Step 5: Solve for x
x = 148,391,598,651,853.72/13,866,336.18 - Step 6: Final answer
x = 10,701,572.26
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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.