Finding the Fourth Proportional to 19,042,734.51, 26,296,909.07 and 13,257,335.84
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Solution
The fourth proportional to 19,042,734.51, 26,296,909.07 and 13,257,335.84 is: 18,307,609.90
Step by Step Solution
- Step 1: Write the proportion equation
19,042,734.51 : 26,296,909.07 = 13,257,335.84 : x - Step 2: Convert to fraction form
19,042,734.51/26,296,909.07 = 13,257,335.84/x - Step 3: Cross multiply
19,042,734.51x = 26,296,909.07 × 13,257,335.84 - Step 4: Simplify right side
19,042,734.51x = 348,626,954,897,160.88 - Step 5: Solve for x
x = 348,626,954,897,160.88/19,042,734.51 - Step 6: Final answer
x = 18,307,609.90
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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.